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Old Jul 20, 2004, 5:41 PM   #1
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I have been looking for an answer as to why the compact cameras have the limitation of f8 as their minimum aperture. And this is not published very well. Is this really a limitation or is the calculation of f stops different on compact cameras? I have tried to search for an answer but so far no luck. I hope I get my answer here. Thanks.
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Old Jul 20, 2004, 10:28 PM   #2
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There is many articles about this , I found this one:
http://www.uscoles.com/fstop.htm

As you see, for digicam with a shorter focal length , the opening corresponding for the same F stop have to be smaller physically. I guess there is some technical difficulty to make it. Anyway, with digicam (shorter focal) we can have the same DOF even with a lower F stop. If the need is blocking light, we can always use neutral density filter.


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