General Climbing Discussion

Topic	Date	User
photo question	9-Dec-2004 At 8:40:52 AM	bapak
Message
Agree ND "GRAD" Filters can be utilised (albeit carefully) to reduce the dynamic range of a scene to bring it within the capture/exposure range of a given film but a "plain ND" (as mentioned earlier) will just move the same range down by "X" stops. Although the grain structure of Provia is smaller than Velvia (8 vs 9 RMS) the actual "resolving power" is better for a given position on the the transfer curves (80 lines/mm for Velvia vs 60 lines/mm for Provia) At the end of the day it's all a compromise as there is no "one size fits all" for Film vs application thats drives joy of "experimentaion" to find what works on the day ! Steve.M :-)

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