1 00:00:00,179 --> 00:00:03,043 Hello and welcome to No Effort November, 2 00:00:03,043 --> 00:00:05,143 a series of videos for the month of November 3 00:00:05,143 --> 00:00:08,416 in which I repeatedly commit to the notion of simpler videos 4 00:00:08,416 --> 00:00:10,639 then swiftly fail spectacularly. 5 00:00:10,639 --> 00:00:13,750 It’s a bit of a tradition around here and we’re mixing things up 6 00:00:13,750 --> 00:00:16,995 by including a segment in an ongoing series. 7 00:00:16,995 --> 00:00:18,323 How novel! 8 00:00:18,563 --> 00:00:21,256 You’re right, there’s no reason to have made this introduction 9 00:00:21,256 --> 00:00:22,918 but too bad I already did. 10 00:00:22,918 --> 00:00:24,455 Again, it’s traditional. 11 00:00:24,749 --> 00:00:29,919 So, I just made a video about the origins and early days of photography. 12 00:00:29,919 --> 00:00:32,476 If you haven’t seen it there’s a clicky thing. 13 00:00:32,476 --> 00:00:34,515 And links are everywhere else, too. 14 00:00:34,515 --> 00:00:36,474 We were using this old camera, 15 00:00:36,474 --> 00:00:37,681 took some pictures, 16 00:00:37,681 --> 00:00:39,320 and finally unloaded it. 17 00:00:39,320 --> 00:00:42,839 Then I abruptly stopped and here we are! 18 00:00:42,839 --> 00:00:45,951 This roll of 120 film is ready for development 19 00:00:45,951 --> 00:00:48,912 and that is what we’re going to do in this video. 20 00:00:48,912 --> 00:00:55,417 By the way, apparently I need to clarify that the 120 film format is still very much in production - 21 00:00:55,417 --> 00:01:00,126 in fact here is some brand new film I have in both color and black-and-white . 22 00:01:00,126 --> 00:01:03,629 So destroying this roll wasn’t hurting anything precious. 23 00:01:03,629 --> 00:01:07,575 Also it’s not that I find 120 film to be a terrible format; 24 00:01:07,575 --> 00:01:12,660 it’s just that this batch of this particular film stock I bought on eBay a decade ago 25 00:01:12,660 --> 00:01:16,728 absolutely is so ruining a roll left me with no hard feelings. 26 00:01:16,728 --> 00:01:19,560 I have no experience with this brand’s current production 27 00:01:19,560 --> 00:01:24,145 and from what I’ve absorbed in comments it’s probably better these days. 28 00:01:24,145 --> 00:01:25,401 But anyway… 29 00:01:25,867 --> 00:01:29,399 We’re going to be subjecting this roll of film to a surprisingly similar 30 00:01:29,399 --> 00:01:30,824 (though heavily refined) 31 00:01:30,824 --> 00:01:34,003 chemical process to Daguerre’s original method. 32 00:01:34,003 --> 00:01:39,478 First, though, it’s important that we understand what this and other modern film’s emulsion 33 00:01:39,478 --> 00:01:41,325 - that’s the light-sensitive layer - 34 00:01:41,325 --> 00:01:43,110 actually is. 35 00:01:43,110 --> 00:01:45,664 You may have heard the term “grain” before. 36 00:01:45,664 --> 00:01:51,339 Possibly from me back when I made that video on why old movies are HD and analog video isn’t. 37 00:01:51,339 --> 00:01:56,935 The gelatin-based emulsion carries a whole bunch of light-sensitive silver halide crystals within it. 38 00:01:56,935 --> 00:01:58,045 Like a soup. 39 00:01:58,045 --> 00:02:00,095 But very congealed. 40 00:02:00,095 --> 00:02:03,033 Those crystals literally are the grain 41 00:02:03,033 --> 00:02:06,604 and will eventually form the final image after development. 42 00:02:06,604 --> 00:02:13,186 But right now they’re still almost entirely as they were before the exposure even happened. 43 00:02:13,186 --> 00:02:15,209 See, when it was exposed in the camera, 44 00:02:15,209 --> 00:02:19,663 the parts of the emulsion that were hit with light did undergo reduction reactions — 45 00:02:19,663 --> 00:02:24,051 that’s what happens when silver halides get hit with photons. But… 46 00:02:24,051 --> 00:02:25,727 not in great amounts. 47 00:02:25,727 --> 00:02:30,927 In fact, the exposure to light when an image is taken hardly changes the film at all 48 00:02:30,927 --> 00:02:32,679 on a chemical level. 49 00:02:32,679 --> 00:02:38,809 Only tiny tiny bits of the silver halide crystals — literally just a few molecules here and there — 50 00:02:38,809 --> 00:02:41,761 were reduced to pure silver in the exposure. 51 00:02:41,761 --> 00:02:47,070 That is why the image captured on the film right now is called the latent image. 52 00:02:47,070 --> 00:02:49,936 It’s chemically there, but not visible yet. 53 00:02:49,936 --> 00:02:54,717 Although it’s not much, the individual halide crystals that were hit with sufficient light 54 00:02:54,717 --> 00:02:58,930 now have what you might call a seed of pure silver within them. 55 00:02:58,930 --> 00:03:03,158 And a chemical developer will use that seed as a catalyst of sorts 56 00:03:03,158 --> 00:03:08,693 and convert the entire crystal (and any others that have that silver seed) into pure silver 57 00:03:08,693 --> 00:03:10,338 which will makes it visible. 58 00:03:10,338 --> 00:03:12,199 In a somewhat weird way, 59 00:03:12,199 --> 00:03:18,499 black and white film is sort of a random distribution of physical one-bit pixels. 60 00:03:19,166 --> 00:03:23,779 Yeah, that’s kind of a stretch, and might sound weird coming from me 61 00:03:23,779 --> 00:03:29,762 given that I made a video on why phosphor dots in color CRTs are decidedly not pixels. 62 00:03:29,762 --> 00:03:33,163 But because of how the grain interacts with the developer, 63 00:03:33,163 --> 00:03:36,249 whether or not you can see an individual grain in the end 64 00:03:36,249 --> 00:03:40,756 is more or less down to whether or not it got hit with light in the exposure. 65 00:03:40,756 --> 00:03:43,326 When stepping back and looking at the whole image, 66 00:03:43,326 --> 00:03:46,828 the density of the crystals and thus the apparent darkness 67 00:03:46,828 --> 00:03:50,908 is affected by how much light hit that spot of the film. 68 00:03:50,908 --> 00:03:56,374 Dark areas got hit with a lot of light so most of the grains become activated and developed, 69 00:03:56,374 --> 00:04:02,446 whereas light areas had few grains get hit so only a few show up here and there. 70 00:04:02,446 --> 00:04:06,896 This is, by the way, the reason faster films tend to be grainier. 71 00:04:06,896 --> 00:04:09,803 For a film stock to be more sensitive to light, 72 00:04:09,803 --> 00:04:18,329 the halide crystals in the emulsion need to somehow be more prone to undergoing that initial photon-induced reduction reaction. 73 00:04:18,329 --> 00:04:22,462 In this world of crystals and photons it’s all a game of probabilities, 74 00:04:22,462 --> 00:04:28,069 and the simplest way to increase the chance that a crystal will undergo sufficient reduction in the exposure 75 00:04:28,069 --> 00:04:29,879 is to make it bigger. 76 00:04:29,879 --> 00:04:35,084 Making the targets larger means less light is needed to capture a latent image 77 00:04:35,084 --> 00:04:41,399 simply because there are more chances for each crystal to be affected given the same amount of incoming light, 78 00:04:41,399 --> 00:04:45,713 but the downside is that larger targets limit the resolution of the film 79 00:04:45,713 --> 00:04:50,338 because each element of the image’s underlying structure is physically larger 80 00:04:50,338 --> 00:04:53,409 and so there are fewer of them in a given area. 81 00:04:53,409 --> 00:04:58,774 So, now that we know those basics, we need to get this film in contact with a chemical 82 00:04:58,774 --> 00:05:03,550 which will finish the job and convert the grains with silver seeds into pure silver. 83 00:05:04,537 --> 00:05:05,662 But how? 84 00:05:05,662 --> 00:05:10,493 We can’t expose it to more light or the image will be damaged or destroyed. 85 00:05:10,493 --> 00:05:12,872 Well, we use one of these. 86 00:05:12,872 --> 00:05:15,999 This is a developing tank and it’s pretty clever. 87 00:05:15,999 --> 00:05:20,765 This lid here is light-tight yet allows liquids to travel through it freely. 88 00:05:20,765 --> 00:05:23,504 This is done by creating a simple maze. 89 00:05:23,504 --> 00:05:25,918 Since light can’t bend around corners, 90 00:05:25,918 --> 00:05:30,466 if you create a path with a series of 90 degree turns it won’t get through. 91 00:05:30,466 --> 00:05:34,498 Make the walls of the path black and you make it even more effective. 92 00:05:34,498 --> 00:05:37,663 This arrangement is often called a light trap. 93 00:05:37,663 --> 00:05:42,559 Which is annoying because entomologists are clogging up the Googles with that search term. 94 00:05:42,559 --> 00:05:47,234 There are a few different designs out there, but the cross-section of this lid looks like this - 95 00:05:47,234 --> 00:05:51,451 liquids can easily get around these bends, but light can’t. 96 00:05:51,451 --> 00:05:53,517 Dead simple yet effective. 97 00:05:53,517 --> 00:05:57,912 By the way you can make a doorless entryway to a darkroom using this method 98 00:05:57,912 --> 00:05:59,809 but hold your horses we’re not there yet. 99 00:05:59,809 --> 00:06:02,972 Inside the tank are a couple of film reels. 100 00:06:02,972 --> 00:06:07,501 This tank can develop up to two rolls of 35mm film at a time, 101 00:06:07,501 --> 00:06:15,142 but the reels can be expanded in width to accommodate 120 and other 60mm wide roll film formats at its largest width, 102 00:06:15,142 --> 00:06:19,021 and there’s also an intermediary width to accommodate 127 film, 103 00:06:19,021 --> 00:06:22,542 a not-quite-dead format that’s barely hanging on. 104 00:06:22,542 --> 00:06:26,152 That film is 46mm wide, by the way. 105 00:06:26,152 --> 00:06:30,292 Of course, you still have to get the film onto this reel and into the tank. 106 00:06:30,292 --> 00:06:33,276 And that has to be done in complete darkness. 107 00:06:33,276 --> 00:06:36,595 Now you can choose to do this in a completely dark room. 108 00:06:36,595 --> 00:06:38,547 Here’s an approximation of what that looks like. 109 00:06:39,107 --> 00:06:42,240 [crinkly shuffling noises] 110 00:06:42,960 --> 00:06:47,518 Or you can put the tank, reel, and your film into a changing bag like this. 111 00:06:47,518 --> 00:06:50,845 A double-zipper creates a light-proof seal on one end 112 00:06:50,845 --> 00:06:56,286 and sleeves with little elastic-lined holes for your arms on the other allow you to fiddle around in there 113 00:06:56,286 --> 00:06:59,036 without worrying about light hitting your film. 114 00:06:59,036 --> 00:07:02,299 Of course, that seal around your arms isn’t perfect by any means 115 00:07:02,299 --> 00:07:05,129 so you probably don’t want to do this outside in the sun 116 00:07:05,129 --> 00:07:08,318 but under most indoor lighting situations it’s fine. 117 00:07:08,318 --> 00:07:11,119 But what are you actually doing in the dark? 118 00:07:11,119 --> 00:07:15,330 Well, since I’ve already ruined this roll, I can show you. 119 00:07:15,330 --> 00:07:18,848 First, though, a note on developing tank styles. 120 00:07:18,848 --> 00:07:22,532 Generally they’re divided into stainless steel and plastic tanks, 121 00:07:22,532 --> 00:07:27,969 and personally I find plastic tanks the way to go because of these film reels. 122 00:07:27,969 --> 00:07:29,837 They’re self-loading. 123 00:07:29,837 --> 00:07:33,619 A simple arrangement consisting of a captive ball bearing and a ramp 124 00:07:33,619 --> 00:07:36,076 creates a sort of ratchet mechanism. 125 00:07:36,076 --> 00:07:39,630 Film can easily slip past the ball bearing when moving forward, 126 00:07:39,630 --> 00:07:44,022 but if it moves backward it rolls the ball bearing up the ramp, 127 00:07:44,022 --> 00:07:46,844 causing it to jam the film in place. 128 00:07:46,844 --> 00:07:50,472 By allowing each side of the reel to move slightly, 129 00:07:50,472 --> 00:07:54,830 a simple repetitive twisting motion is all it takes to load the film. 130 00:07:54,830 --> 00:07:55,928 Here is a... 131 00:07:55,928 --> 00:08:00,737 blank roll of 35mm film I developed accidentally one time. 132 00:08:00,737 --> 00:08:03,818 Because it’s clear it helps reveal how this works. 133 00:08:03,818 --> 00:08:06,205 Each time I move the right side forward, 134 00:08:06,205 --> 00:08:11,991 the ball wants to roll backwards but in doing so rides up the ramp and jams against the film. 135 00:08:11,991 --> 00:08:14,065 So it pushes the film forward. 136 00:08:14,065 --> 00:08:20,368 On the stationary left side, the ball rolls forward as the film moves and so leaves room for it to pass. 137 00:08:20,368 --> 00:08:25,243 However, when I return the right side to the original position, the roles are reversed. 138 00:08:25,243 --> 00:08:31,530 The film moves back slightly, causing the left-hand ball bearing to roll up the ramp and jam the film in place, 139 00:08:31,530 --> 00:08:35,007 and now the right side slips past without issue. 140 00:08:35,007 --> 00:08:39,793 Just do this twisting motion a bunch of times and the reel pushes the film onto itself, 141 00:08:39,793 --> 00:08:43,315 with the film following these ridges in a spiral to the center. 142 00:08:43,834 --> 00:08:48,369 So, for this 120 film all we need to do is unlock the reel, 143 00:08:48,369 --> 00:08:52,459 pull the sides apart to their widest position, lock it again, 144 00:08:52,459 --> 00:08:54,570 and now it’s ready to be loaded. 145 00:08:54,570 --> 00:08:57,688 One thing I always make sure to do is use a toothpick or something 146 00:08:57,688 --> 00:09:03,150 to ensure the ball bearings can move freely - often they get kinda stuck when the reel dries 147 00:09:03,150 --> 00:09:05,186 and that’s not good. 148 00:09:05,186 --> 00:09:09,598 While you weren’t looking, I wound this destroyed roll onto a second spool 149 00:09:09,598 --> 00:09:12,924 so it’s positioned as if it were run through a camera. 150 00:09:12,924 --> 00:09:16,389 And now I’ll show you what I’m about to do inside this bag. 151 00:09:16,709 --> 00:09:21,390 I’ll start unrolling the paper and keep going until I get to the actual film. 152 00:09:21,630 --> 00:09:24,467 On this end it’s not taped to the paper. 153 00:09:24,467 --> 00:09:30,362 Now I’ll carefully grab the end of the film and slide it into the film reel like so. 154 00:09:30,949 --> 00:09:34,499 The backing paper always makes this a little chaotic but we’re gonna do the same 155 00:09:34,499 --> 00:09:40,283 twisting motion that we just did and the ball bearing ratchet ramp things will do their magic. 156 00:09:40,283 --> 00:09:46,679 Eventually we’ll reach the end and we have to cut off this bit of tape to free the film entirely from the paper. 157 00:09:46,679 --> 00:09:49,577 Then we just keep twisting to make sure it’s completely loaded 158 00:09:49,577 --> 00:09:52,260 and it’s ready to go into the tank. 159 00:09:52,260 --> 00:09:55,860 The reel needs to go onto this spool thing before we do that, though - 160 00:09:55,860 --> 00:09:59,196 this is actually an important part of the tank’s light-tightness, 161 00:09:59,196 --> 00:10:03,997 as this pokey bit will go inside of it and form a light maze for the fill hole. 162 00:10:03,997 --> 00:10:06,739 There’s a retaining ring that I... can’t find right now 163 00:10:06,739 --> 00:10:09,799 which you can clamp onto the spool to keep the reel from riding up 164 00:10:09,799 --> 00:10:13,647 but I don’t really need it because of the style of development I use. 165 00:10:13,647 --> 00:10:18,987 I’ll talk about that in just a moment but now I’ve got to do what I just showed you inside this bag. 166 00:10:18,987 --> 00:10:20,680 Gotta make sure I have the film, 167 00:10:20,680 --> 00:10:22,980 a reel opened up to the 120 position, 168 00:10:22,980 --> 00:10:24,101 a pair of scissors, 169 00:10:24,101 --> 00:10:25,044 the tank bottom, 170 00:10:25,044 --> 00:10:26,103 the spool doohickey, 171 00:10:26,103 --> 00:10:28,765 and the lid all inside the bag. 172 00:10:28,765 --> 00:10:30,294 Now I’ll zip it up. 173 00:10:30,294 --> 00:10:31,431 Zip it up again. 174 00:10:31,431 --> 00:10:35,555 Stick my arms in there, and feel around for everything and just get going. 175 00:10:35,555 --> 00:10:36,886 Eventually… 176 00:10:36,886 --> 00:10:39,603 Tada! Film ready for developing. 177 00:10:39,603 --> 00:10:42,654 And now we’ll get to Steve Ballmer’s favorite part. 178 00:10:42,654 --> 00:10:47,833 Here are just a few of the many black and white film developers available out there. 179 00:10:47,833 --> 00:10:53,500 We’ve got the ol’ mainstay Kodak D-76 (though this pouch is long-expired), 180 00:10:53,500 --> 00:10:55,670 Arista Premium film developer, 181 00:10:55,670 --> 00:10:57,003 Adox Adonal, 182 00:10:57,003 --> 00:10:58,897 and R09 One Shot - 183 00:10:58,897 --> 00:11:01,809 those last two are purportedly the same thing. 184 00:11:01,809 --> 00:11:04,153 But there are so many more out there, 185 00:11:04,153 --> 00:11:09,744 and people have also been making their own concoctions for about as long as film photography has existed. 186 00:11:09,744 --> 00:11:12,659 There are even formulations using instant coffee, 187 00:11:12,659 --> 00:11:16,988 and so-called caffenol has long been thriving in the homebrew scene. 188 00:11:16,988 --> 00:11:20,866 These chemicals have a very delicate balancing act ahead of them. 189 00:11:20,866 --> 00:11:24,964 They contain reducing agents — which ones exactly will depend on the developer — 190 00:11:24,964 --> 00:11:29,331 which continue the process of the silver halides reducing to metallic silver, 191 00:11:29,331 --> 00:11:31,470 but they need to be selective. 192 00:11:31,470 --> 00:11:37,561 Ideally, we only want the developer to reduce the halide crystals that already have that silver seed in them 193 00:11:37,561 --> 00:11:40,251 from the exposure to light in the camera. 194 00:11:40,251 --> 00:11:44,310 Through various chemical tinkering such as adjusting the pH of the solutions, 195 00:11:44,310 --> 00:11:48,231 adding compounds which accelerate the reduction reaction once in-progress 196 00:11:48,231 --> 00:11:54,336 but also inhibitors so that it doesn’t happen to crystals which don’t already have that seed of silver, 197 00:11:54,336 --> 00:11:56,914 we arrived at these solutions. 198 00:11:56,914 --> 00:12:02,756 Now, when you’re using many of these chemicals, you need to look up the specific film stock you’re developing 199 00:12:02,756 --> 00:12:06,543 to get a development time and adjust for temperature. 200 00:12:06,543 --> 00:12:10,322 Just like most reactions more temperature equals more faster, 201 00:12:10,322 --> 00:12:12,341 and depending on the film’s properties 202 00:12:12,341 --> 00:12:18,086 (and also whether you want to pull- or push-process the film to a lower or higher equivalent speed) 203 00:12:18,086 --> 00:12:22,376 you’ll have a somewhat narrow time window for best results. 204 00:12:22,376 --> 00:12:27,436 Many films have a chart printed on the inside of their box for common developers, 205 00:12:27,436 --> 00:12:29,692 but I don’t bother with any of this nonsense 206 00:12:29,692 --> 00:12:34,529 because I have been enlightened to the world of stand development. 207 00:12:34,529 --> 00:12:38,565 It turns out that so long as you’re OK with the process taking much longer, 208 00:12:38,565 --> 00:12:40,147 as in an hour, 209 00:12:40,147 --> 00:12:44,354 you can develop pretty much any film without thinking about it. 210 00:12:44,354 --> 00:12:47,085 I enjoy not thinking about things on occasion, 211 00:12:47,085 --> 00:12:52,766 especially when it frees me from wondering whether I’m doing things the quote unquote “best way,” 212 00:12:52,766 --> 00:12:55,231 so this was right up my alley. 213 00:12:55,231 --> 00:13:01,684 This particular developer goes by many names but traditionally it’s been known by its original name Rodinal. 214 00:13:01,684 --> 00:13:04,517 And it is a very old formulation. 215 00:13:04,517 --> 00:13:07,303 As in from 1891. 216 00:13:07,303 --> 00:13:10,272 Also, it was originally developed by Agfa. 217 00:13:10,272 --> 00:13:15,535 Now the “One Shot” on this bottle might give you a hint about what makes it kinda special. 218 00:13:15,535 --> 00:13:20,399 Many other developers are meant to be reused after developing a roll of film. 219 00:13:20,399 --> 00:13:25,271 They’re very concentrated and usually require less than 10 minutes to develop film, 220 00:13:25,271 --> 00:13:30,639 so although the reduction reaction they cause does slightly weaken them by way of oxidation, 221 00:13:30,639 --> 00:13:34,796 it takes quite a few rolls of film for that to be noticeable. 222 00:13:34,796 --> 00:13:37,831 These developers, though, are much more dilute. 223 00:13:38,311 --> 00:13:43,735 Well actually in the bottle it’s very concentrated but you use a very high dilution ratio in water 224 00:13:43,735 --> 00:13:48,660 resulting in a pretty weak working solution which is only good for one roll. 225 00:13:48,660 --> 00:13:54,762 With the advised 1 to 25 and 1 to 50 dilutions the film development still happens pretty quickly, 226 00:13:54,762 --> 00:14:00,269 but if you go to a 1:100 dilution something vaguely magical occurs. 227 00:14:00,269 --> 00:14:06,419 With a 1:100 dilution ratio, what the film is and to some extent how you shot it... 228 00:14:06,419 --> 00:14:08,279 doesn't really matter. 229 00:14:08,279 --> 00:14:10,091 It’ll just work. 230 00:14:10,091 --> 00:14:17,147 Now this is postulation on my part but I think the reason this is possible is that at such a weak concentration, 231 00:14:17,147 --> 00:14:24,323 there’s only just enough developer in the solution to attain normal image density before it is all oxidized. 232 00:14:24,323 --> 00:14:28,314 Film processed this way in a sense can’t be overdeveloped, 233 00:14:28,314 --> 00:14:30,477 or at least it’s really hard to do that, 234 00:14:30,477 --> 00:14:35,427 and the long time you leave the film in the solution ensures it will completely reduce 235 00:14:35,427 --> 00:14:40,378 pretty much all the crystals that should be while leaving the rest alone. 236 00:14:40,378 --> 00:14:44,508 It’s pretty great, and will help compensate for underexposure, too, 237 00:14:44,508 --> 00:14:51,097 producing an end result that sort of allows you to push process individual frames within a roll. 238 00:14:51,097 --> 00:14:56,445 It’s not perfect, and I’m sure there are photographers out there that would advise against it for one reason or another, 239 00:14:56,445 --> 00:15:01,764 but in my experience it has simply always worked no matter what film stock I’ve thrown at it 240 00:15:01,764 --> 00:15:05,012 (though to be fair that’s only been maybe half-a-dozen). 241 00:15:05,012 --> 00:15:09,290 And as a bonus, Rodinal is a very shelf-stable formula. 242 00:15:09,290 --> 00:15:13,083 This bottle is pushing 10 years old and still works fine. 243 00:15:13,083 --> 00:15:17,870 And since you use so little of it with each go, it’s quite cheap, too. 244 00:15:17,870 --> 00:15:22,234 You can develop well over 100 rolls with a half-liter bottle like this. 245 00:15:22,234 --> 00:15:23,637 So let’s get going. 246 00:15:23,637 --> 00:15:26,140 Welcome to this gross utility sink. 247 00:15:26,140 --> 00:15:29,759 Generally you want to give your film a rinse before you start developing it. 248 00:15:29,759 --> 00:15:34,579 Letting the gelatin soak in some water first helps to ensure development happens uniformly. 249 00:15:34,579 --> 00:15:38,393 Also if you noticed the bright blue color of this film, 250 00:15:38,393 --> 00:15:40,550 well rinsing it takes that off. 251 00:15:40,550 --> 00:15:45,860 I don’t know if that is an anti-halation layer which some films have or what exactly it is, 252 00:15:45,860 --> 00:15:48,505 but water washes it away pretty quickly. 253 00:15:48,505 --> 00:15:56,301 Now, looking at the bottom of the tank, I need to make 590 CCs of solution to completely submerge this reel. 254 00:15:56,301 --> 00:16:01,173 Using a 1:100 dilution that would suggest I need about 6 CCs of Rodinal, 255 00:16:01,173 --> 00:16:03,110 which is what I’ll go ahead and use. 256 00:16:03,110 --> 00:16:05,210 There is some nuance here, though. 257 00:16:05,210 --> 00:16:11,294 A roll of 120 film is a lot wider than 35mm film, but it’s also much shorter. 258 00:16:11,294 --> 00:16:18,629 A 36 exposure roll of 35mm film has just about the same total area as a roll of 120 film, 259 00:16:18,629 --> 00:16:24,620 so using 6 CCs of Rodinal in the solution could actually be more developer than we need. 260 00:16:24,620 --> 00:16:28,427 We need more solution in the tank because the reel is much taller, 261 00:16:28,427 --> 00:16:32,930 but we might not actually need any more chemical developer in the solution. 262 00:16:32,930 --> 00:16:36,611 I have developed a roll of 120 film using only 4 CCs Rodinal, 263 00:16:36,611 --> 00:16:41,920 but the negatives were kind of thin - meaning none of the film got very dark. 264 00:16:41,920 --> 00:16:44,329 Because of that, and because this film is pretty old, 265 00:16:44,329 --> 00:16:48,759 I’m going to stick with 1:100 dilution and use 6 CCs. 266 00:16:48,759 --> 00:16:51,825 Plus, with stand development you don’t agitate much 267 00:16:51,825 --> 00:16:56,103 so developer not near the film is probably gonna stay not near the film. 268 00:16:56,610 --> 00:16:59,753 I mean this is photography, it’s more art than science. 269 00:17:00,447 --> 00:17:02,868 Ooh that’s gonna cause me some grief... 270 00:17:02,868 --> 00:17:05,620 So, here’s 6 CCs of the developer. 271 00:17:05,620 --> 00:17:07,890 That’s really all we need. 272 00:17:07,890 --> 00:17:13,733 And now I’ll fill this up with water to at least 590ml and we have our working solution. 273 00:17:13,733 --> 00:17:16,742 With the film already rinsed, we can simply pour this in, 274 00:17:16,742 --> 00:17:21,098 then use the little agitating stick thing that comes with tank to spin the reel back and forth 275 00:17:21,098 --> 00:17:24,143 and make sure everything gets sloshed together nicely 276 00:17:24,143 --> 00:17:29,368 (you can also put on this lid and invert the tank but that tends to leak a little bit so I prefer this method, 277 00:17:29,368 --> 00:17:33,164 also I’m missing that retaining ring so I’d rather not invert it so much), 278 00:17:33,164 --> 00:17:38,943 and last but not least you want to smack the tank against the bottom of the sink or some other hard surface 279 00:17:38,943 --> 00:17:43,820 to dislodge any bubbles that might have formed on the film during agitation. 280 00:17:43,820 --> 00:17:47,413 Now, just leave it alone for a half hour. 281 00:17:47,413 --> 00:17:50,744 Let it stand, hence stand development. 282 00:17:51,651 --> 00:17:56,075 This isn’t very exciting, but the developer’s slowly seeping its way into the emulsion 283 00:17:56,075 --> 00:17:59,973 and latching onto the crystals which have those tiny silver molecules 284 00:17:59,973 --> 00:18:03,873 and finishing the job of reduction into metallic silver. 285 00:18:03,873 --> 00:18:10,317 After a half hour is up, agitate it again to ensure whatever’s left of working developer can get where it needs to go, 286 00:18:10,317 --> 00:18:12,154 and wait another half-hour. 287 00:18:12,154 --> 00:18:16,644 Pedants wish for me to inform you that because I’ve done that middle agitation, 288 00:18:16,644 --> 00:18:19,668 this is in fact semi-stand development. 289 00:18:20,362 --> 00:18:23,168 While we’re waiting, let’s talk about fixer. 290 00:18:23,168 --> 00:18:25,748 You might have noticed that prior to development, 291 00:18:25,748 --> 00:18:27,998 film appears opaque. 292 00:18:27,998 --> 00:18:33,525 That’s what all the crystals of undeveloped silver halides look like suspended in the gelatin. 293 00:18:33,525 --> 00:18:38,625 Remember how I said in the previous video that fixing got rid of undeveloped halides? 294 00:18:38,625 --> 00:18:43,065 Well, watch what happens when I put this bit of film into some fixer. 295 00:18:43,065 --> 00:18:45,528 Before long it becomes transparent. 296 00:18:45,528 --> 00:18:49,289 With none of the halide crystals converted to silver by the developer, 297 00:18:49,289 --> 00:18:54,750 the fixer dissolves them all, leaving nothing but the gelatin base and the plastic backing. 298 00:18:54,750 --> 00:18:57,996 However, the fixer cannot dissolve pure silver, 299 00:18:57,996 --> 00:19:04,380 so whatever grains were successfully reduced in the development process will stay behind and form the image. 300 00:19:04,380 --> 00:19:07,934 Through the magic of video editing, our time is up. 301 00:19:07,934 --> 00:19:12,185 Since we used a one-shot developer, we’ll just pour it down the drain. 302 00:19:12,185 --> 00:19:17,561 If we were using something like D-76, we would pour it back into the bottle for later use. 303 00:19:17,561 --> 00:19:19,873 Now here’s an optional step. 304 00:19:19,873 --> 00:19:21,457 Stop bath. 305 00:19:21,457 --> 00:19:25,790 The reducing agents in the developer require a high pH to work effectively. 306 00:19:25,790 --> 00:19:29,926 If you use a stop bath, which is usually just dilute acetic acid, 307 00:19:29,926 --> 00:19:34,827 the pH is lowered to the point of stopping any further development action. 308 00:19:34,827 --> 00:19:39,045 Now, at the risk of making an opinion known online, 309 00:19:39,045 --> 00:19:42,582 I don’t think it’s necessary for pretty much any film development. 310 00:19:42,582 --> 00:19:45,849 I just rinse the film with water and move on to fixer. 311 00:19:45,849 --> 00:19:50,994 If you were using a film and developer with a really sensitive development time, 312 00:19:50,994 --> 00:19:52,913 maybe you’d want to use stop bath, 313 00:19:52,913 --> 00:19:57,435 but especially because I use stand development I just don’t see the point. 314 00:19:57,435 --> 00:20:00,702 Also a lot of fixers are acidic so again… 315 00:20:00,702 --> 00:20:02,170 yeah. 316 00:20:02,170 --> 00:20:05,646 Anyway, after rinsing it a few times I’ll pour in the fixer. 317 00:20:05,646 --> 00:20:13,504 This bottle is nowhere near fresh so I’m going to allow the film 12 minutes of fixing time with some agitation every minute. 318 00:20:13,504 --> 00:20:16,057 That’s probably way more time than I actually need. 319 00:20:16,057 --> 00:20:19,103 How long you should fix depends on your fixer. 320 00:20:19,103 --> 00:20:22,109 I’ll make up fresh solution… at some point. 321 00:20:22,109 --> 00:20:27,363 But anyway, just like we saw earlier the fixer’s making the film all clear-like 322 00:20:27,363 --> 00:20:30,021 except for where the developer made it all silvery-like 323 00:20:30,021 --> 00:20:31,824 and after we’re done with this step, 324 00:20:31,824 --> 00:20:35,279 we can pour the fixer back into the bottle and start rinsing. 325 00:20:35,279 --> 00:20:38,134 At this point the film has been developed. 326 00:20:38,134 --> 00:20:39,649 At least I hope so. 327 00:20:39,649 --> 00:20:45,792 You want to rinse the film for a good long while to make sure you get as many residual chemicals off of it as possible 328 00:20:45,792 --> 00:20:48,577 (well, chemicals other than water). 329 00:20:48,577 --> 00:20:54,152 There are products like this which you can hook up to a faucet to make this more effective and less wasteful - 330 00:20:54,152 --> 00:20:57,164 Fun fact, this thing is a greedy cup siphon! 331 00:20:57,164 --> 00:21:00,325 But since this film isn’t super duper important to me, 332 00:21:00,325 --> 00:21:02,787 I’m just gonna let the water trickle over it for a while, 333 00:21:02,787 --> 00:21:07,314 do some swirls, some of these maneuvers, and then there’s one last step. 334 00:21:07,314 --> 00:21:08,649 Photo-Flo. 335 00:21:08,649 --> 00:21:14,522 More generically known as wetting agent, this stuff is basically rinse aid for your dishwasher. 336 00:21:14,522 --> 00:21:18,363 In fact I’ve often wondered if there would be any harm in just using that. 337 00:21:18,363 --> 00:21:22,076 Anyway, it’s a mild surfactant which lowers the surface tension of water 338 00:21:22,076 --> 00:21:24,923 and makes it sheet off of the film in a… 339 00:21:24,923 --> 00:21:27,465 film so that you don’t get water spots. 340 00:21:27,465 --> 00:21:33,068 Technically this is optional but if you have hard water… you should definitely not skip this. 341 00:21:33,068 --> 00:21:37,225 After you’re done rinsing, you just add a few mls of the stuff to clean water, 342 00:21:37,225 --> 00:21:38,897 swirl the film around in it, 343 00:21:38,897 --> 00:21:43,086 then struggle to get it out of the tank because the Photo-Flo made it all slippery, 344 00:21:43,086 --> 00:21:46,848 and finally you can open up the reel and retrieve your developed film. 345 00:21:48,000 --> 00:21:50,284 This does not look right. 346 00:21:50,951 --> 00:21:53,013 Ohhhh…. no. 347 00:21:53,267 --> 00:21:56,544 Remember how I was saying that this film is awful? 348 00:21:56,544 --> 00:21:59,095 Well, yeah. 349 00:21:59,095 --> 00:22:01,022 Shouldn't have used it. 350 00:22:01,022 --> 00:22:04,078 Now this could simply be because of its age. 351 00:22:04,078 --> 00:22:10,987 It expired in 2013 and because the film’s emulsion was in contact with the backing paper for a decade 352 00:22:10,987 --> 00:22:17,800 chemicals in the paper — particularly in the ink — may have leached into it and made all this nonsense happen. 353 00:22:17,800 --> 00:22:23,208 That makes the most sense to me because I can’t figure out how else the numbers would have gotten on there. 354 00:22:23,208 --> 00:22:25,871 This definitely doesn’t look like a light leakage problem — 355 00:22:25,871 --> 00:22:31,435 and they’re misaligned from where they actually are behind the film when the image is taken. 356 00:22:31,435 --> 00:22:35,736 The 1 should be in the bottom-left corner of the first image but it’s not, 357 00:22:35,736 --> 00:22:40,846 suggesting this came from the where the printed numbers touch the film when it's rolled up. 358 00:22:40,846 --> 00:22:44,381 Luckily for you I decided to go back out into the wilderness 359 00:22:44,381 --> 00:22:48,172 and recreate the shot with a roll of this less-terrible film. 360 00:22:48,172 --> 00:22:50,363 And then I did the developing rigmarole again. 361 00:22:50,363 --> 00:22:52,149 And here’s that film. 362 00:22:52,149 --> 00:22:54,734 And I call this is a no-effort video.... 363 00:22:54,734 --> 00:22:59,451 Anyway, after hanging it up and allowing it to dry (I usually wait at least a couple of hours) 364 00:22:59,451 --> 00:23:02,401 we can handle it, though you still want to be careful. 365 00:23:02,401 --> 00:23:07,325 If you’re not wearing some sort of gloves you definitely want to not touch any part with an image on it, 366 00:23:07,325 --> 00:23:09,655 and are best to handle it by the edges. 367 00:23:09,655 --> 00:23:16,993 This is of course a negative image, but there’s something about film that’s different from the earlier plate-based methods. 368 00:23:16,993 --> 00:23:22,966 With film, light is transmitted through it and the silver crystals block that transmission. 369 00:23:22,966 --> 00:23:26,838 We don’t have to come up with any tricks for making this appear as a positive 370 00:23:26,838 --> 00:23:29,905 because this is not the final image. 371 00:23:29,905 --> 00:23:31,917 Oh but, because it’s now, 372 00:23:31,917 --> 00:23:33,638 I can just do this. 373 00:23:33,638 --> 00:23:37,604 However, there is a trick you can do to make this appear as a positive. 374 00:23:37,604 --> 00:23:42,102 And it’s not too far off from how the Ambrotype makes an apparent positive. 375 00:23:42,102 --> 00:23:47,270 Although the silver in transparent films is meant to block light traveling through it, 376 00:23:47,270 --> 00:23:48,904 it’s still silver. 377 00:23:48,904 --> 00:23:52,559 With the emulsion side up and the film against a dark background, 378 00:23:52,559 --> 00:24:01,517 if you can catch light in just the right way, the silver’s shine will come through and make the exposed parts appear brighter than the background. 379 00:24:01,517 --> 00:24:06,452 This doesn’t work with all film stocks, or at least it’s much easier to do in some than others, 380 00:24:06,452 --> 00:24:12,080 and although it’s nifty it’s definitely not the optimal way to view the image. 381 00:24:12,080 --> 00:24:16,280 In the next video, we’ll talk about photographic printing. 382 00:24:16,280 --> 00:24:20,650 You know those scenes in movies where someone's in a room with a dim red light 383 00:24:20,650 --> 00:24:23,937 and they make photos appear in trays of liquid? 384 00:24:24,257 --> 00:24:25,049 Yeah. 385 00:24:25,049 --> 00:24:26,314 That. 386 00:24:26,314 --> 00:24:31,763 We’ll also talk a little more deeply about 35mm film and some of the factors and innovations 387 00:24:31,763 --> 00:24:37,478 that made it become the dominant film format from the latter 20th century into the digital age. 388 00:24:37,478 --> 00:24:39,200 And also now. 389 00:24:39,200 --> 00:24:44,466 120 is still alive, but 35mm is still the most mainstream film format. 390 00:24:44,466 --> 00:24:49,583 Despite all of Kodak’s attempts to come up with something new every decade or so. 391 00:24:49,583 --> 00:24:54,907 People rightfully think that Kodak let the digital age sneak up on them... because they did 392 00:24:54,907 --> 00:24:58,040 but hey, they were trend chasers back in their day. 393 00:24:58,040 --> 00:25:02,208 I mean, just look at 1982’s Disc film! 394 00:25:02,208 --> 00:25:07,996 I wonder what other thing from 1982 could possibly have inspired that logo… 395 00:25:08,770 --> 00:25:11,474 ♫ reductively smooth jazz ♫ 396 00:25:12,595 --> 00:25:18,240 By the way, apparently I need to clarify that 120 film... the format. 397 00:25:18,240 --> 00:25:19,445 Haaghh! 398 00:25:21,339 --> 00:25:23,540 120 film. The format! 399 00:25:24,000 --> 00:25:26,020 Then, I abruptly stopped. 400 00:25:26,020 --> 00:25:27,240 And here we are! 401 00:25:27,740 --> 00:25:28,240 Dangit. 402 00:25:28,240 --> 00:25:32,440 Yeah, that’s kind of a [weird, disappointed mouth noises] 403 00:25:32,440 --> 00:25:37,596 Whether or not you can see an individual grain... in the end is more or less down to… 404 00:25:39,597 --> 00:25:41,476 That hesitation shouldn’t have been there. 405 00:25:41,476 --> 00:25:44,503 ...is more or less — did I skip a word? 406 00:25:44,797 --> 00:25:45,791 Because… 407 00:25:46,644 --> 00:25:48,352 it feels like I did. 408 00:25:48,352 --> 00:25:51,088 But, because of how grain… no! 409 00:25:51,088 --> 00:25:53,883 That word is missing from the script. 410 00:25:53,883 --> 00:25:56,510 Because of how *the* grain. Gotta remember to put that in. 411 00:25:56,510 --> 00:26:00,830 Is more or less down to whether or not IT got HIT with light in the exposure. 412 00:26:00,830 --> 00:26:01,843 That. 413 00:26:01,843 --> 00:26:02,963 Why? 414 00:26:03,310 --> 00:26:05,763 Whether or not you can see an ind… 415 00:26:05,763 --> 00:26:06,263 GARH 416 00:26:06,263 --> 00:26:08,859 But, because of how grain interact… 417 00:26:08,859 --> 00:26:10,782 (inhales through teeth) 418 00:26:12,543 --> 00:26:15,781 This line has taken up like 15 minutes. 419 00:26:15,781 --> 00:26:21,201 Just do this twisting motion a bunch of times and the reel pushes the film onto itself. 420 00:26:21,201 --> 00:26:25,018 With the film following these ridges in a spiral to the center. 421 00:26:25,338 --> 00:26:28,467 [loud grating noises] Could you even hear me over this? 422 00:26:28,467 --> 00:26:31,296 That’s a great question. We’ll find out in the edit! 423 00:26:31,296 --> 00:26:34,146 It takes quite a few rolls of film for that to be noticeable. 424 00:26:34,146 --> 00:26:39,422 There’s a … OK I want to go back in the edit and see if there was a weird noise that I made. 425 00:26:39,422 --> 00:26:41,252 I need to remember to do that. 426 00:26:43,013 --> 00:26:44,935 If this isn’t in the bloopers I forgot. 427 00:26:46,802 --> 00:26:50,428 The first time I did the photoshoot of the tea kettle (which was done in a park) 428 00:26:50,428 --> 00:26:53,463 someone was walking their dog, saw me, and said hello. 429 00:26:53,463 --> 00:26:57,605 Explaining that I had hauled a camping stove, tea kettle, tripod, video camera, and an antique camera all to make a terrible joke on the internet 430 00:26:57,605 --> 00:26:59,551 was a little weird. 431 00:26:59,551 --> 00:27:01,987 Luckily with the re-shoot nobody saw me.