Black Dog
Member
APUG's a great resource and I've particularly enjoyed the print and postcard exchanges, not to mention the legendary travelling camera!
BetterSense I believe that all the various roll film sizes are cut from the same master roll so the emulsion thickness should be essentially equal across all TMax 400 rolls.
That doesn't mean that the basic idea of "more emulsion" is mis-guided. It is just the other two dimensions that make the difference in "volume" or "silver molecule count".
In a larger format camera the scene is projected across more square centimeters, so more emulsion, molecules, volume, is affected.
Over the years I've come to realize that I am much better off trying to focus on making interesting photographs rather than being too anal about print quality. Please note this is my personal approach, and you may or may not agree. It's what works for me.
Over the years I've come to realize that I am much better off trying to focus on making interesting photographs rather than being too anal about print quality. Please note this is my personal approach, and you may or may not agree. It's what works for me.
I struggle with this and I think part of the struggle is the word "quality".
Quality implies good vs. bad. Character has a different connotation.
What I'm getting at is that, for any given image, it is normal for a visual artist to choose a paper with the characteristics they prefer, to choose the pigments and a delivery medium (water, oil, acrylic, emulsion) they prefer, and to choose the texture (impasto, dry brush, ISO 400, 4x5" vs 35mm).
BetterSense I believe that all the various roll film sizes are cut from the same master roll so the emulsion thickness should be essentially equal across all TMax 400 rolls...
Well, then why are most films from Kodak, Ilford on acetate base only in format 135 and MF but polyester for 4x5 and larger?
..or we think of different master rolls, perhaps?
Yes, I am aware of it - hence I don't agree with the earlier statement by Mark, that “...various roll film sizes are cut from the same master roll...”
Base material and thickness vary for most formats, so the “master rolls” are quite a few. Also, poly base gets it's own set of treatments before coating, so ISO 400 emulsion is essentially equal across formats only in principle, and hardly traceable due to jump in formats, different optics, etc, etc;
Of course, it's not quite that simple. Specialty films can require a unique base material or special prep thereof. Allegedly that's what killed off
Tech Pan in all formats.
Of course, it's not quite that simple. Specialty films can require a unique base material or special prep thereof. Allegedly that's what killed off
Tech Pan in all formats.
For me, MF provides the best compromise of speed/ease of use, and technical image quality, compared to 35mm and LF photography. It's the sweet spot format, IMO.
Of course for those making prints many feet in each dimension then I suppose 4x5 Tech Pan made some sense.
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