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  1. dcy

    A
    Questions about B&W film reversal

    {Moderator note: this was split off of an existing thread here: https://www.photrio.com/forum/threads/copper-sulphate-b-w-reversal-bleach.137943 The split-off point was at this post} Bumping this thread. I have spent the last week or so reading this thread. First, I'm going to summarize key...

  2. A
    Why do you shoot colour reversal film?

    I'm curious to know why people shoot colour reversal film. After all, it's more expensive than colour negative film, less latitude perhaps, there's very little choice (3-4 options, ISO100 or ISO50) and it is not as easy to get hold of (especially Fuji). Are you viewing the slides in an...
  3. What About Bob

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    First attempt at black and white reversal

    I got the inspiration to try my hand at black and white reversal from @Ivo Stunga. Thanks! Last night I developed black and white slides for the first time. I mixed up PQ Universal concentrate and made two working developers: first developer at 1+5 with six grams of thiosulfate, pentahydrate...

  4. A
    Bellini / Ars-Imago Color Reversal E6 processing kit in Jobo?

    Hi all! I have used the Tetenal 3-bath E6 kit a lot with a Jobo, but I now just got the Ars-Imago Color Reversal E6 processing kit, and I have a few questions. 1. I assumed that the Ars-Imago kit and the Bellini kit was the same kit, but when i read the developing instructions in the sheet...
  5. AbsurdePhoton

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    Simulating color reversal films - DIR couplers

    Hi there, I had posted things only in the B&W section, now it is the turn of color films. For those who don't know, I am trying to simulate analog films in a software which is for the moment not publicly published, but i will surely do that when I consider the simulation good enough. The good...

  6. A
    B&W Paper Reversal

    ...try to make some silver chloride contact paper copies of (Adox Lupex). To do this I would have to reverse it. I have done a lot of B&W film reversal, and I am wondering if I can use the same bleach (I use dichromate) and clearing? Furthermore, the paper is pretty developer dependent - and I...
  7. Yezishu

    A
    Silver Solvent/Agitation Issues in Black-and-White Microfilm Reversal Processing

    These two photos show my attempt to use a microfilm (SanHuan SWII) in a reversal process, with a developer containing sodium sulfite (40g/L) as the silver halide solvent, and Dimezone S (0.8g/L), and Vitamin C (0.8g/L) in 250mL liquid. Observation: After the first development and bleaching...

  8. New Bellini b/w cine reversal kit

    It's available in the UK from Nik & Trick and Firstcall.
  9. Agulliver

    New Bellini b/w cine reversal kit

    ...carry it. Bellini have a close relationship with Nik & trick in England, for example. I'm curious too as my attempts to develop Fomapan R 100 have not been stellar whereas I can do Tri-X reversal fine with traditional developer and bleach I make up in my lab at work with H2SO4 and pot...

  10. New Bellini b/w cine reversal kit

    Damn. Turns out they don't ship outside Italy and forwarding would not be cost-effective. 🙁

  11. New Bellini b/w cine reversal kit

    https://www.bellinifoto.it/en/prodotto/bw-cinematographic-reversal-film-kit/ It can do 300 feet of 8mm film, and quite probably more. I think I'll have to purchase two in order to have enough for Lomo tank processing, but that's still very economical compared to having it done at a lab. I...
  12. What About Bob

    A
    Questions about Potassium Thiocyanate and Ilford black and white reversal

    In the near future I will be making a developer that will contain Potassium Thiocyanate in it. After development can a stop bath be used or should I resort to plain old washing for about a minute? According to one place that sells thiocyanate there is only one mention of extreme caution with...
  13. charlotteRF

    A
    Orca 110 Reversal experiment (success!)

    ...Orca 110 box, I went out and shot with the 20-40mm lens on my Pentax Auto 110 I processed the film exactly to the instructions in the Foma Reversal Kit, with no deviation besides using a hardening fixer for the final step Here are scans, and then 100% crops, because I was really impressed...
  14. Supercine

    A
    Chromium intensifier use on B/W reversal?

    ...so of each other. Both developed (first dev) for 8 minutes at the same time. And one is much lighter than the other. I know that both films may have not been stored the same and this may have influenced the outcome; however! My question is can I use chromium intensifier on black and white...

  15. A
    B&W Reversal using a Chromogenic Process?

    Has anyone tried B&W reversal processing using a chromogenic (black) dye process? Might it offer any advantages (reduced grain?) or disadvantages? I note that Ilford XP2 for example uses a chromogenic process ... but it's a negative, not positive, process.

  16. A
    B&W Reversal: thiourea as fogging developer?

    Hi all, I know that thiourea/toners have been used as a fogging developer in the black and white reversal process. But, when reading about reversal processing in Haist he presents a process that consist of first developer, bleach, and the thiourea fogging developer. No clearing, no re-exposure...

  17. A
    Film reversal processing with sepia toner.

    ...across this article https://www.35mmc.com/02/07/2022/making-4x5-slides-using-a-sepia-toner-kit-by-andrew-smale/ It talks about doing film reversal processing with an off the shelf sepia toner and fericyanide bleach. His results remind me of the DR5 developer 2 that I loved so much. The...

  18. A
    BW reversal: mix of negatives and positives on same roll

    Hi all, So Ive been developing Ferrania Orto in PQ 1+5 (with thiocyanate), dichromate bleach, clearing, iron out and fixing (washing between steps). Today I tried swapping the PQ with MCC at 1+2 (with thiocyanate) and ended with a weird mix of positive and negative images. I did check the roll...
  19. loccdor

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    I tried Aerocolor C-41 Reversal: Very Odd Results

    After success in using C-41 reversal on Phoenix as shown in the thread here: https://www.photrio.com/forum/threads/slide-with-harman-phoenix-200.212735/#post-2883004 I tried to do the same steps with Aerocolor (Flic Film Elektra 100). The roll was a little short, I only got 35 frames in my...

  20. A
    An interesting foray into direct-positive reversal process with photo paper

    ...prints. We got a process working from this outline here: http://sgwetplate.com/2020/05/film-photography-black-and-white-paper-reversal The process: 1. Shoot in-camera with Ilford Multigrade IV Photo Paper (Satin) 2. Develop for 1min (we used both Ilford Multigrade Paper Developer and...

  21. A
    Reversal Processing Ilford Pan F Plus

    ...what sort of results I could get from a standard negative film stock. I used the procedure described by Ilford (https://www.ilfordphoto.com/reversal-processing/) using Pan F Plus. The only change I made to the procedure was using a substitute for the sulfuric acid. Instead of sulfuric...

  22. A
    Black and white reversal processing?

    I have just a quick question about making slides out of b&w negative films and didn't want to barge into a thread about it that is already out there. My question is what is the purpose or the benefit over just processing as a negative. Yes, I already know about viewing ease, whether on a light...
  23. charlotteRF

    A
    Re-exposure step during reversal processing

    ...For Fomapan r100, their kit says to leave the film on its reels, and re-expose through water for 30 seconds from a meter away For the Ilford Reversal process, it says to take the film off the reel, and rexpose for 30-60 seconds from 46cm away The scala kit says to do so for two minutes...
  24. MKHardy

    A
    E6 Reversal working-solution

    Hi, Please can I ask for your opinion on my reversal working-solution. Its been turning a straw colour ever since I started using it, however over the past week its also gone very slightly cloudy. I read somewhere that stock reversal can sometimes go cloudy without issue? Does it need to be...

  25. A
    E6 reversal issue

    ...came out fine. but when I did the last three (the one liter kit claims a 12 roll capacity) they seemed to have had an issue during the reversal process. what I tried: 1) re fix 2) re pre bleach, wash , re bleach, wash re fix 3) re do the whole process with 100% fresh chemicals. and the...
  26. fert

    A
    Black and white reversal film, safer bleaching

    name cas weights 60 per cent sulphuric acid 30ml High cerium sulfate 13590-82-4 30g ferrous sulfate 10028-22-5 20g A total of 200 ml of concentrate is prepared, which can be diluted to 1 litre of working solution. The time is 3 to 5 minutes. In the bleaching directly after the...

  27. A
    Iron bleaching for reversal B&W film, works, but how to improve

    (I'm not a native English speaker, so apologize for any gramma/spelling mistakes) I'm looking for some safe way to make reversal B&W films. Here are some bleach I found: 1. potassium dichromate + H2SO4 (Dangerous, I don't want to die or get cancer) 2. H2O2 +Citric Acid + EDTA + Sodium...

  28. A
    Increase amount of thiocyanate / thiosulfate or first developer time (black & white reversal)?

    Hi all, I just developed Ferrania Orto at 50 (box speed) and 25 ISO (with 2g thiocyanate/L). Looking over the photos I'd say my son's face looks good at 50 while his hair (blond) looks more correct at 25. Other shots does lack shadow detail - but this is also the case for this film if developed...
  29. Donald Qualls

    A
    Nitric acid for reversal bleach?

    ...and nitrating things that don't need to be extra-flammable). What I don't know is how gelatin reacts to nitric acid. There has to be a good reason why nitration isn't the simplest reversal bleach, and I suspect this is it. Anyone with experience or better chemical knowledge than me on this?
  30. miha

    A
    Best B&W Film Reversal Kit: Foma, Adox Scala, or Bellini

    Hello all, I'm currently evaluating different black and white reversal kits and would appreciate any insights or recommendations. The three kits I'm considering are Foma, Adox Scala, and Bellini. Here’s what I’ve gathered so far: - Bellini includes dichromate, which eliminates the need for...
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