Marc Levy Posted January 27, 2004 Share Posted January 27, 2004 I just shot some stuff on 79 (push +1), using the Arri - SR with a Zeiss T2 zoom and Zeiss SuperSpeed primes. Although I'm pleased with most of the footage, some stuff (even static shots) is soft. My AC measured before each take, I checked my diopter and did a focus test with each lens during prep. I'm dumbfounded. It was rather difficult to tell if each shot was sharp (even with a choir boy), as the lighting was low-key and we were shooting at T2. How can I assure proper sharpness? Link to comment Share on other sites More sharing options...
WarrenYeager Posted January 27, 2004 Share Posted January 27, 2004 A lens is at its sharpest when it's 2 Tstops over wide open, so a T 2 lens will be sharpest at T 4. The softness may be on shots where the lens is wide open. Link to comment Share on other sites More sharing options...
Marc Levy Posted January 28, 2004 Author Share Posted January 28, 2004 Thanks. Very interesting. Link to comment Share on other sites More sharing options...
Bob Hayes Posted January 28, 2004 Share Posted January 28, 2004 As an operator I often do an eye focus in addition to trusting the first ac to do a tape focus. 1/2 the time we agree resulting in a self assured smile from the ac. 1/3 of the time I am wrong leading to a smirk from the ac. But, every once in a while I'll catch the ac saving both our jobs. Actors will often move after being taped. So double checking is a good idea. Link to comment Share on other sites More sharing options...
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