On Sep 2, 2009, at 07:45, Dennis Purdy wrote:
I have an Ilford tech book on hand that says Delta 3200 actual speed is from 800 to 1000.Dennis
I haven't followed this discussion closely so I apologize if my post is irrelevant. But I dug out my "Ilford Product Data Guide" and I will quote out of it...
.... With a measured speed of up to ISO 1000 (up to 1250 when developed in ILFORD MICROPHEN developer) the film has been designed to be push processed...
Dennis