Originally Posted by
cdholden
Jay,
I was reluctant to try the brush technique when you suggested it earlier, but forgot to follow up on the discussion in another thread (or was it an email?)
This sounds easier with smaller formats, but seems (at least in my mind) like it may have a greater chance of error as the formats get larger. You have a lot more experience than I do with it, but my concern is the timing.
it's easy to keep film submerged in developer for a consistent amount of time. With larger formats doesn't the brushing make the "agitation" inconsistent from one point on the film to another? I am concerned about one section of the film having more or less development than another part. My current technique involves slidng the film around with my tongs, then a mild stir around the whole tray before removing tongs from the developer. I use about 700 ml to develop 12x20 film in 20x24 trays, so to use any less developer would be a slightly smaller tray, meaning less room to move the film around.
Is my logic flawed or just overly paranoid with respect to the timing and area of brushing?
Thanks,
Chris
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