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The Mod54 would be a perfect solution, but last time i checked they were back ordered already. It has to be both a daylight tank and take 1L of chemistry, as that's the volume I use for doing stand dev, and the amount i mix my stock solutions to.
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Those jobo tanks look quite viable.
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I can taco four sheets...
Patterson Super System IV tank and 800ml.
When I want a good photo, I shoot digital. When I want a great photo, I shoot film.
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yeah why not go with Jobo? and a processor?
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How about the Nikor 4x5 tank? That takes even less than 1L I think...
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They're hard to find and very expensive.
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There's at least 3 Nikor 4x5s on eprey right now... @ $200ish, not that much more than other options (given how many sheets can be done at once in the Nikor).
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 Originally Posted by holmburgers
+1
6 4x5" sheets in a Paterson 3-reel = exactly 1 liter. Good product, just agitate gently.
+2, I have two of these and *love* how simple they are, simply brilliant. I just do black and white and place the temp probe for my RH Designs Process Master II in the spindle and get right to it.
I might even buy a third for workshops just to cover my rear, they just make soooo much sense, looks like he just updated the design so at least we know Morgan is committed to the product....
Last edited by PKM-25; 04-29-2012 at 02:24 PM. Click to view previous post history.
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Originally Posted by EdSawyer
How about the Nikor 4x5 tank? That takes even less than 1L I think...
The Nikor 4x5 tank is designed for 36 US fluid ounces, or just about exactly 1 liter. It can load up to 12 sheets, but care must be exercised to assure a sufficient minimum volume of developer is present, depending on dilutions used. If one is picky, care should also be exercised to arrange loads of less than 12 sheets symmetrically to minimize differential agitation artifacts. Some users load dummy sheets to assure the tank is always physically full.
Also, since the inner cage has a solid top over the loaded sheets (with a single large hole in the middle), it is possible to get trapped air bubbles underneath the top that show as irregular strips of lower density along whichever negative edge was facing up between agitations. Rapping the tank does not work in this case as the cage is not a spiral and there is no place for the bubbles to escape. One solution can be to add a few drops of Edwal LFN to the developer to reduce the formation of bubbles in the first place.
Regarding prices for used ones, I don't see $200 as excessive. If one can justify the expense as a one-off lifetime purchase, it actually makes a lot of sense. The thing is indestructable in normal use, and if used for 20 years that's only $10 a year for the peace of mind of having and using the absolutely correct tool. I've spent a lot more than that for equipment that gets a lot less regular use.
Ken
"The richness of the experience that occurs when one is exposed tangibly to a subject, material, or process is unmatchable in the abstract... Thus, when 'touch it,' 'taste it,' smell it' become the watchwords, the results are most often extraordinary. Equally extraordinary are the lengths to which people will go to avoid [that] experience."
— Tom Peters and Robert H. Waterman Jr., In Search of Excellence, 1982
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I'm also a fan of the Nikor sheet film tank, which takes all sizes from 2x3" to 4x5". I've never made any particular effort to fill all slots, and I haven't had problems with air bubbles either, but I suppose it may just depend on what film/dev combination you're using. I have two--one set for 2x3" and one set for 4x5", but if I have a large batch of either, I can adjust them to the same size as needed.
I once asked Hewes if they might consider manufacturing this tank themselves, and I got the impression it would be too expensive to manufacture today, with its 120-odd spot welds.
I also have a single rectangular 4x5" SS tank that takes hangers and uses 1L of chemistry. I bought it mainly for monobath processing, but I've also used it when I wanted to make a one shot or other short usage developer and develop with hangers, continuing the process in my 5L stop and fix tanks.
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