Questions tagged [developing]

The chemical process by which the latent image on exposed film is turned into a visible image.

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43 views

Developing Problems, maybe with JOBO developing tank?

I have been developing my own bw film for some time, so far in a Patterson tank and without problems. Recently, I got a used JOBO-2236 Club tank...I have used it a bit, but I have gotten far more ...
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35 views

One transparent negative when developing 2 rolls at once

I am having trouble developing my rolls of film. I have had two casualties today. The first time I developed 3 rolls at once with one liter of solution, consisting of 250mL of Kodak D-76 to 750mL ...
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Spinning time for Tetenal C-41 kit

On Tetenal's guide there is nothing regarding how to spin the tank. Looking on YouTube there are different length of time used. For one or two rolls what is the best routine?
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How do I safety check that there is no light in Darkroom / Darkbag?

Noon question, but: How do I safety check that there is no light in Darkroom / Darkbag?
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4answers
210 views

Best practice for keeping temperature constant during film development at home

As I'm developing film at home. I have problem to keep temperature constant for: developer, stop bath, fixer, throughout the process at 20C degrees. What's the best practice to do so ? How do people ...
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3answers
124 views

What's the suggested method for developing TriX400 @ISO 200 with Rodinal?

I have a film shot with TriX400 pulled at ISO 200. I'm planning to develop it with Rodinal. What's the good dilution mix, development time at 20C, and - perhaps importantly - the agitation ...
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2answers
64 views

Ilford Delta 400 film should I develop with Rodinal or D76?

Currently, I am shooting Ilford Delta 400 at box speed. And I only have D76 and Rodinal developer at hand. Which developer should I use better? And at what dilution mix?
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1answer
609 views

Is it harmful to use developer/stop-bath/fixer/wet-agent from different manufacturers

I am currently using Adofix (fixer), Adostop Eco (Stop-bath) and Ilfotol (wetting-agent). I plan to use it with Kodak D76 as developer. I wonder if it's harmful because they come from 3 different ...
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1answer
42 views

Can I develop Homemade redscale film at the high street shop?

Normally I develop C41 at the high street shop (i.e SnappySnap, Max, Boots). If I've made a reversed 35mm film (redscale) can I send it as normal for development?
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4answers
119 views

How much solution to fill Paterson Universal Tank when developing film?

I have a Paterson Universal Tank for developing film. It's written underneath that for 35mm we need 290ml to fill. I plan to put in 500ml into it. Simply because it's easier to make the solution. I ...
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2answers
76 views

How much ILFOTOL to use for wetting agent — and is it reusable?

I have the following Ilfotol concentrate: After making a solution (1+200) suggested in the label above, my question is: how much should we use in our final development? A drop or fill the tank? And ...
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4answers
97 views

Development times for Russian mystery “A125” film

On a recent trip to Russia I bought about a dozen canisters of B/W film I previously never heard about. FWIW, I bought them in two different stores in Moscow and St. Petersburg. The guys at the ...
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1answer
95 views

How to use Adostop Eco stop bath?

I am about to use the following Adostop Eco concentrate. I have two questions: It's stated there for film it requires 30sec. What time does it refer to? Agitation? Can we reuse the stop bath after we ...
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1answer
43 views

Can film be visually inspected during development with Pyro?

While researching pyro developers, I ran across the following statement on a Flickr group dedicated to Pyro: 510-Pyro has the advantage that you can visually check for the optimal developing time ...
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2answers
262 views

Can we share mixing jug/beaker for developer, fixer and stop bath?

I have developer, fixer, and stop bath concentrate. To make solution we usually use mixing jug/beaker. Should we dedicate one mixing jug for each one of the component above? Or can we just use one ...
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1answer
56 views

What's the common practice for reuse/discarding of Adox Rodinal developer solution?

I am making a 1+50 solution (total 500ml) from Adox Rodinal concentrate. In common practice do you keep and reuse this 500ml solution or discard it every time we use? If re-use how long can we ...
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1answer
32 views

How can you tell if your Kodak D76 developer cannot be used anymore?

I just constructed my stock D76 developer and am beginning to use it. How can I check when it cannot be used anymore for further development?
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1answer
44 views

Does the development time in Massive Dev Chart include the agitation time?

I'm looking at the Massive Dev Chart website. It shows a table like this: Does the time shown there include the agitation time?
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2k views

What is the meaning of “stock” dilution on the Massive Dev Chart website?

I'm looking at the Massive Dev Chart website. It shows a table like this: What's the meaning of stock dilution there? How should we prepare the developer on that condition?
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2answers
75 views

How do I identify an old unlabeled roll of 120 film?

I found this roll of film inside of an old camera lying around in our house. All photos on it have been taken but the roll does not tell what development process or what type of film it is. Does ...
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1answer
50 views

Will I get an image if I develop colour photographic paper (c type) in black and white developer?

Does anyone know what happens if I develop colour photographic paper (c type) in black and white developer? Will I get an image?
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3answers
532 views

How to develop and scan film strip which only part of it pushed to higher ISO

I have a film strip with TMax-400. Out of 36 frames, I pushed 10 of them to ISO 1600. If I want it to develop in my local store. How should I instruct them to develop my negatives? Also what are ...
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135 views

How far to push ISO with Tmax 400 film?

I have a 400 ISO film (Kodak TMax). If I want to push the ISO on my FM2, what is the best setting? Is it ISO 1600, 800 or something else. I notice that pushing to 1600 is very common. Why is that ?
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2answers
175 views

Why are there lines on some of my photos?

There are green-ish lines running down some of my images. I got it developed/scanned by a local film store. Film is not expired. Shot on a Canon AE-1 Program. Still learning how to shoot in manual ...
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5answers
785 views

What kind of appearance can I expect if I both overexpose and push film?

I am thinking of doing this to these films: Delta 100 exposed at 50, overdeveloped +1 Portra 160 exposed at 50, overdeveloped +1 Ektar 100 exposed at 50, overdeveloped +1 What kind of look ...
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Developing with Caffenol

My first roll of 120 Ilford 400 developed with caffenol. 9 minutes of development time as indicated at Caffenol.org Image is weak, there is no clear areas in the image, and the overall film is still ...
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106 views

How long do XTOL and D-76 last unmixed?

When I bought my darkroom sets, I additionally acquired two powder developers, being XTOL and D-76. I have only ever used Rodinal (Adonal) to develop my negatives, so I know little of how well such ...
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80 views

How many rolls can be processed with ILFORD powder developers at various dilutions?

As per the official information from ILFORD (found here) the powder developers PERCEPTOL, ID-11 and MICROPHEN can be used as a stock solution or in dilutions of 1+1 and 1+3. I'm confused as to how ...
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1answer
183 views

Ektar 100 pushed to 800 ISO and standard development on High Street

If I change the Dx code for Ektar 100 to 800 ISO. Take pictures at night/ cloudy day and then develop it at the High Street studio (without letting them know about ISO), will I get good results?
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93 views

What is the correct developer for BW Kodak Tmax 400?

Thanks a lot for the previous answer related to the color film. Really helped me understand a lot! :) Now I'm in a bit of dilemma regarding which developer should I choose for my BW Kodak Tmax 400. ...
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1answer
128 views

Tetenal Colortec C-41 developing kit appears to be out of stock everywhere in the UK. Suggestions?

As the title suggests, the popular Tetenal Colortec C-41 developing kit appears to be out of stock everywhere in the UK... Does anybody know if there is an issue with supply, or whether there are ...
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5answers
130 views

I'm new to developing film at home — how should I assess my results for grain, tonal range, and etc.?

I'm starting shooting film and develop it at home. For my first roll of film i've used Fujifilm Acros 100 on a Olympus OM-1n with F.zuiko 50mm 1.8. Please see the attached image (straight from the ...
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Two films in a tank, only one comes out with a development error – why?

I recently developed two 35mm films together in a tank. One, and only one of them, came out with artefacts on most (but not all) of the exposures – spots of uneven development that seem to originate ...
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1answer
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Instax Film Developing Red

I have completed the Instant Pinhole Camera which I mentioned in a previous question. To open the pack of Instax Film, I used a pitch black room, blocked all the edges around the door, and opened it ...
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4answers
269 views

How many minutes should I develop Ilford HP5 in Rodinal 1:50?

I shot some rolls of HP5, and planned on developing it in Rodinal. But I got a little confused when I looked at the suggested DevTimes, most sources (incl. MassiveDevChart) give about 11-13 minutes ...
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2answers
111 views

Can powder chemicals be mixed in smaller amounts or must you mix the entire batch?

One of the advantages of powdered chemicals is a long shelf-life. But once you mix it the clock starts ticking. I was wondering if it's possible to buy a larger batch of powdered chemicals and just ...
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3answers
230 views

How much developer/stop/fixer do I need with 120 film?

I use Ilford for 35mm film development, 200 ml for developer, stop and fixer (with Paterson tank). I cannot find any information about quantity and mixing of 120 film. How much would I need for it?
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1answer
140 views

Why did my color film overdevelop? Please help!

I'm brand new to the home-developing game. I purchased the unicolor c41 developing kit and have developed 3 rolls of color film successfully so far. However, tonight I developed a roll of Kodak 400 ...
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2answers
54 views

How do I know if it was old chemicals that did not produce images on the film strip or something else?

My chemicals are about four years old and maybe used about six times. They have been stored inside my home, 75° F, and in a cabinet. Chemicals are in glass beer growlers with tight lids. This is the ...
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1answer
285 views

Why does push processing seem to be so popular?

It seems that many people are very eager to push their film. If you check sites such as Flickr or other communities discussing film photography, it can feel like almost as many people are shooting at ...
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1answer
119 views

How are reference developing times determined?

For developing there is tons of information out there for many combinations of film and developer, often at multiple dilutions, temperatures and ISO settings. Ilford for example has development times ...
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3answers
1k views

What are these circular splotches on my negatives?

This is my first roll of Tri-X 400, developed with D76 using Massive Dev's chart in this order: developer stop bath (tap water) fixer tap water (quick 1 minute wash) Photo Flo (2 minutes) tap water ...
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1answer
131 views

Uneven tank development

I've had a similar problem before with tray development, but I've since moved an hour away and switched to tank development. Tank development seemed to fix the problem for the past >100 negatives ...
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3answers
288 views

35mm film - put fixer immediately after developer instead of water

Is that mistake what caused this strange bleeding effect of the shadows? See image below: You can really see it above my keyboard here on the phone holder. It's like a big blob of shadow. This is ...
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Is my film exposed or not? [duplicate]

Here is a riddle: Found old rolls of film among grandpas things. They are tightly wrapped in tin foil. Back in the day in Russia (where he was from) there were no disposable film canisters, all ...
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1answer
212 views

Are these light leaks caused by a problem with my Leica M6, or could they have happened in the development process?

I've had my leica m6 since 2007 and never experienced any problems with light leaks on my 35mm scans. Recently, I shot 5 rolls of Fuji 400H. 2 of the rolls came back with some very subtle light ...
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2k views

How do different developing fluids affect black and white film?

I have returned from a month long trip in America, and when I was there I took over 30 rolls of black and white film. Now that I'm in the UK, I'd like to get these developed. Because of the cost I ...
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3answers
705 views

How is it possible to produce positive images from negative film or paper by modifying the development process?

According to an answer to Is there (or was there ever) a process that directly produced a reflective positive?: In theory, you could even process any regular 'negative' photo paper in a reversal ...
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2answers
1k views

What caused these strange patches on developed film negatives?

I'm getting strange patches on film negative. Sometimes they are very big, but they also seem to appear along the border of the film. I've just CLAed my camera. MY fixer is very recent so I'm not ...
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3answers
118 views

What exactly does it mean to say that a certain film or process 'is tolerant' or 'has latitude'?

Millions of photographs have been taken with simple cameras with no exposure control, under very varied lighting conditions (scenes, that if they were metered for, would entail several stops' ...