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02-15-2008, 01:46 PM   #1
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lens flange sensor distance

Does anyone know the distance in mm from the front flange to the sensor in a Pentax *ist DS? I have nothing to measure it with and need to mount the cam on my scope, preferably at prime focus, for next weeks lunar eclipse. All my film cams had the focal plane marked on the camera body but it seems in the digi world,this is not considered important anymore. Now if the infinity point could indicated on lenses

02-15-2008, 02:38 PM   #2
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it is the dame for all pentax K mount cameras as all lenses are interchangeable.
02-15-2008, 04:30 PM   #3
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QuoteOriginally posted by pixelsaurus Quote
Does anyone know the distance in mm from the front flange to the sensor in a Pentax *ist DS?
Most references quote the distance from the front of the lens K-mount flange to the sensor/film plane as 45.46mm.
02-16-2008, 02:25 AM   #4
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QuoteOriginally posted by distudio Quote
Most references quote the distance from the front of the lens K-mount flange to the sensor/film plane as 45.46mm.
Thank you cobber,muchly appreciated.

02-16-2008, 02:38 AM   #5
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