> I use LC-1 and ortho film too. Its very good. However it is slow. An
ASA of 1. I've used a
> 12 X 18 camera. It ended up having an f stop in the range 0f 300. This
translates to an
> exposure of an hour on a bright sunny day for one picture.
How does that work? For a sunny day exposure with ASA 1, you would have 1
sec @ f/16. f/360 is 9 stops away from f/16, so your exposure should be
about 8.5 min...
Or is it because of reciprocity failure that you are getting exposures of an
hour?
John
Received on Mon Mar 4 16:12:23 2002
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