Response to Grain and tonality in 400 ASA tradional emulsions

Peter - I can't answer your question, but I'd be interested in a brief summary of the article you cited on the new Delta 400. The BJP isn't easy to find on this side of the pond (at least for me it isn't) and their website just times out when I try to access it at the moment.

Bob Atkins (ex-patriot Univ. of Bristol grad!)

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