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Richard Tuohy

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Richard Tuohy last won the day on January 29 2013

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About Richard Tuohy

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  1. many black and white lab stocks have a yellow antihalation layer which is effectively a yellow filter to cut the transmission of reflected blue light (I';m talking about normal blue sensitive only lab stocks, not panchromatic lab stocks). this yellow filter however normally dissolves during the development. I suspect you may not have adequately fixed the film and what you are seeing is silver halide retention. Make some fresh fix and try again.
  2. Yes, so not E6. The black and white reversal process is what you want. The E6 process will get rid of all the silver, expecting that you will have developed dye during the processing. But with black and white film, there is no dye to form, so the final image is a silver image, not a dye image. As such, the process is different. Just google diy black and white reversal processing enjoy!
  3. sorry, steve not sam. by the time i had logged in i had missremembered
  4. hi sam do you know if there is still sea mail from the uk? if so, i would like to buy a tin to bee sent down here to Australia let me know cheers Richard
  5. No. That's not an issue. Kodak don't state this clearly as they always think in terms of machine processing which is dry to dry. Yes, if any remjet is allowed to dry on the emulsion side, it won't come off. But if any that gets there is removed while the film is wet it isn't an issue
  6. It's done with a pair of film rewinders in a dark room. Find yourself an 8mm editor viewer. Use it as a wonder.
  7. Spectra is a great lab but they don't make prints which is what the thread is about.
  8. Yes, use 65 grams of sodium bisulfite (which you can buy from swimming pool shops as a ph reducer) per litre along with your choice of potassium dichromate or potassium permanganate
  9. Cafenol is just a black and white developer. So, it depends on what prices you mean. If you mean dev fix, then no. That makes a negative. If you mean dev bleach clear re exposure dev fix then yes. That is the reversal sequence. Note that for reversal processing you need to Mix a very strong mix of cafenol. Google reversal processing in cafenol
  10. Kodak certainly don't. There are two labs that can make colour positive prints from colour negative super 8 - andec in Germany and the lab in Florence No labs offer prints from colour reversal
  11. Amazing. I hope hope hope it also means 16mm!
  12. Honestly, I don't understand those of you who have been complaining about this footage. I think you guys are seeing the wrong things. To me this footage says - hey, we have now actually got a working camera, not just a box. And this has been done in the complete absence of the giant industry that was used to make the millions of cameras in thousands of models that populated Super 8's past. It would have been so much easier to make a super 8 camera in those days than today, simply because that giant industry had established production lines and evolved solutions to myriad problems and had a supply of dedicated super 8 camera components. This new camera was done without all of that. Yes, the fact is that this camera is going to cost a lot more than a second hand camera. But it will also be fundamentally different to a secondhand camera. It won't be 40 years old. It will have spare parts available. It will easily do things with sound that haven't been readily possible for a long time. Thank you Carl for highlighting that the digital stabilisation was able to be done differently. Yes, it could have been better colour graded too. We did already know both of those things, even those people whose first response to this footage was to release negativity about it. As far as I can tell, this footage wasn't released to the general public, but just to core supporters of the format. People like us, who know how easy it is to correct that kind of digital stuff, but who should also know just how bloody hard it is to get to the point of manufacturing a new camera. Maybe those that released that footage were naive in thinking we could see through that superficial stuff and share in their excitement about having achieved so much. I really found this negativity boring.
  13. Hi all, a few years ago when Hi-con 7363 was discontinued I looked in to organising a bulk order of this stock. The minimum order was quite high, but I managed to get pledges to purchase about 2/3rds of the amount. Trouble was, Kodak's price didn't suit the customers. Fair enough. However at that time a lab or other facility in the USA contacted me to let me know that they had some 3369 panchromatic hi-con (1R on Estar base in 2000' rolls) available. I have since lost all those emails, but I'd like to try to find that lab. Anybody have any ideas? cheers, richard
  14. Hi I think what you want to do is make a positive, rather than an inter positive. A positive is for projection and has normal projection contrast. An inter positive is low contrast and designed for them making an internegative from. For a positive you want to use a bw print stock like Kodak 3302 or Orwo pf2. These come in very long rolls of 2000 feet. There are a number of ways to make a diy contact print involving bi-packing various film mechanisms. You can do it to a flat bed editor (like a steenbeck) or a projector or a camera like a bolex. The bolex version is the easiest and doesn't require modifying anything. With a normal bolex you would wind max 50 feet of meg with the same amount of print stock with the emulsion to emulsion. Note, start with the neg head out. It will end up tail out after preparing it with print stock. Load bipacked roll into camera. Take off lens. Point camera at a bright light bouncing off a white wall. Develop film. If it's too light or too dark change the camera speed and repeat.
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