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Old Jul 18, 2003, 11:35 AM   #1
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Default F Stop adjustment

I have recently purchased a Minolta Dimage 7hi and will be using a circular polarizing filter with it on a trip to Alaska. On my 35mm camera it recommended adjusting 1.5 fstops when using this filter. Does the same apply for a digital camera?
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Old Jul 18, 2003, 11:50 AM   #2
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Well, if your SLR has a light meter that isn't TTL (Through The Lens) like this Kodak Retina III http://home.pages.at/bruesehaber/bilder/reflex_III.jpg which has the light meter sensor beside the word "Retina"...then you do have to compensate. But if your SLR takes the light level TTL, then you don't need to compensate as the light that goes to the light meter goes through the filter first.

Most higher end digitals also meter TTL so again no compensation is needed as the camera reads the light correctly.
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