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Old Dec 17, 2004, 7:21 PM   #1
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Join Date: Dec 2004
Location: the Netherlands
Posts: 782

Hi all;

Was just doing some practice shots at home to get more familiar with different settings, and these two photos amazed me somewhat; just reduced the opening from 4.0 to 4.6, and it needed 2 more seconds of shutterspeed to get (funny, 100%) identical lightintensity in the result :shock:

I never noticed it makes that much of a difference, and I believe I have been fooling around with different aperture settings, where the difference wasn't that big at all. Does this mean that if you're working in darker enviroments (than full daylight), that the relationship between aperture and shutterspeed changes? (so you'll need alarger increase inshutterspeed for a smaller aperture change in lower lighting circumstances?)

I hope my question is clear; English is not my native language

My iexplore seems to have trouble uploading pic's to the forum, so I linked them:

Pic1: 6s f/4.0 at 69.6mm (equals 417mm) iso80

pic2: 8s f/4.6 at 69.6mm (equals 417mm) iso80

If links don't work, you can find the photos here: http://www.pbase.com/tvpopta/as_relationship

Cheers, GB
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