--- Bill Erickson <erick...@hickorytech.net> wrote: > Here's my first tries. With a pinhole of known diameter at optimal distance > from the paper, ASA 3 will yield a good print at 20 minute exposure. At 7 > minute exposure it looks like ASA (ISO)4 might be closer to the mark. Keep > in mind that using different ASA at different exposure time accomplishes the > same thing as using different multipliers for reciprocity failure at > different exposure times.
Bill - Thanks for the information. Are you using a filter to compensate for the color shift? If not, the EI may need to be lowered if one is applied. Thanks - george ===== Handmade Photographic Images http://members.home.net/hmpi/ __________________________________________________ Do You Yahoo!? Send FREE Valentine eCards with Yahoo! Greetings! http://greetings.yahoo.com
