Originally Posted by
xkaes
Let's take two giant steps back. I normally shoot ISO 100 speed film at around ISO 64. That means if the subject is in full sunlight -- a big if -- a correct exposure would be f16 @ 1/60. If I stop down to f22, the speed changes to 1/15. If I add on a Yellow filter, it becomes 1/8. If I add ND8 + ND4 + ND2 (6-stops), I'm down to 8 seconds. I also try to minimize the number of filters for a number of reasons, but there is PLENTY of flexibility here to get to 1 second or longer -- using B, T, or even a lens cap! And at that speed, who needs a timer, other than ONE MISSISSIPPI?
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