rosebudlet <rosebudlet@netzero.net> writes: > OK....so if I am reading you right......for 100 speed film at f16.....I > would expose for 100 seconds??? > Is this right or am I wayyyyyy off LOL Ask yourself if it *could* be right. 100 seconds with 100ISO film - so 400 seconds with 400ISO film? The faster the film, the longer the exposure???? I think not. The rule says 1/100s at f/16 for ISO400 film. Brian Chandler ---------------- geo://Sano.Japan.Planet_3 http://imaginatorium.org/