tri-x & development

Exposing tri-x at 200 iso will not auotmaticly give you more shadow detail. As with any ISO that you use ,the amount of shadow detail you achieve will depend upon "where" you have taken the exposure reading from in the scene. An extreme example would be if you pointed your meter at a light scource in the scene and used that exposure, it would not matter if you were using 200 or 50 ISO. Chances are you would have little or weak shadow detail. IMHO its always best to use the given ISO of the film and expose correctly rather than depend on trying to convince the film that it has an ISO that it doesnt. Unless of course you are forced to work under extreme conditions. But if you are using 200, you should underdevelop the film by an equal amount. Start with 20-30% of your normal time and then adjust to the type of neg you prefer.

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