timor
Been spending a lot of time on here!
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Uff... And what will be the developer designed for T-max ?I think HC-110, dilution B ought to do stand development as well as almost anything, with good grain, and decent emulsion speed realized, at least on "conventional" grain film. The T-grain films really are not ideally suited for old-fashioned developers...they build almost no shadow density at their normal ASA ratings, which is one of the biggest drawbacks of T-Max....think "Weak,detail-free shadows" when developed with standard developers. When pushed, T-max sucks when it's developed in anything except a developer designed for it.
I have a very low opinion of T-Max film for anything except normal ISO exposing, and for developing in its own, optimized developers. I'd rather have Tri-X or HP-5 if I need to go above 400.
Consider this, Gary exposed this 20 years past date Tmax 400 2two stops below nominal and developed in Rodinal in STAND process. HOW one is calculating push in stand ? Can you ? If so, don't keep it secret, come on, tell us. You can't. Neither me or Gary can't do that. There is not much measurable difference in achieved density between 1 hour and two hours stand. Even infectious development has own limits in very weak ( concentration wise ) developers. I think Gary, maybe by accident, did quite well here achieving rather smooth than contrasty negative and high contrast is something you can expect from over developed Tmax. Considering this, this Regan era TMY did very well in Rodinal stand. Grain and fog are rather due to it's age.
I agree, T grain films in general are not good for pushing as they contain much less silver, than cubical grain films, so there is not much to be "pushed". Incidentally Rodinal is not bad developer for Tmax films, however not for stand. It has good pH and very little silver solvants which work well for sharpness and local micro contrast. Unfortunately in prolonged process like stand it starts to replate the little silver it dissolves back on the emulsion building fog, hurting the contrast and sharpness. Tmax film as a rule should be processed quickly. Tmax films outperform any other film, but at the cost of photographer's effort. That's why many old timers has a such low opinion about Tmax, it didn't fit old methods and they didn't want to change them.