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flashbulbman · Joined: 29 Jan 2009 Posts: 51 Location: California

This procedure is called the Taco method. It allows you to develop four sheets of 4x5 film in a 3 reel Paterson tank. Here are two links to it:

https://www.flickr.com/photos/digi-film/sets/72157627864733730/

http://www.youtube.com/watch?v=oEzD8EGRPbU

This worked great for me. Just remember that when you add the fixer, after about 2 minutes, move the elastic band an inch or so up or down so you do not get a light line around the film.

I have been using Tri-X in Rodinal. Uses very minimal amounts of developer and is extremely economical and fast to prepare and develop. I just switched to Diafine, a two bath, expensive developer. However, it is idiot proof and lasts forever once mixed. Just 4 minutes in solution A and four minutes in Solution B and the results are great every time, no matter what.
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I love the smell of flashbulbs in the morning

europanorama · Joined: 17 Oct 2014 Posts: 19 Location: BASEL

want to add that holgamods on ebay has tubes for 4x5 and 8x10-developping.
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Michael Przewrocki-MPA
www.stereopan.tk
3DStereo-Aeropanorama

rwl7532 · Joined: 01 Jan 2015 Posts: 32 Location: Everett WA

Fred Newman sells his BTZS 8x10 tube for $29.95 + 13.80 shipping.
These cost less than wwwholgamods 8x10.

I have used his 4x5 BTZS tubes with success.
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