Yes, you're correct of course. -------------- Original message ---------------------- From: Igor Roshchin <[EMAIL PROTECTED]> > > > I think you are not correct here. > If you crop the image from a larger (in size, not in number of pixels!) > sensor, you will get an image with smaller number of pixels compared > to the one you get from the smaller sensor with a comparable total number > of pixels. > (A20 has a 10 MP sensor). > > A20 has a 5.76 mm x 4.29 mm sensor. > K10D has a 23.5 x 15.7 mm sensor. > Thus, if I am not making a mistake in my estimate, the same area of the K10D > sensor as that of the A20 sensor will have only ~ 10MP / 15 ~ 0.67 MP. > > I believe that with all other parameters equal, an image from a small > 10MP sensor would have a better quality then an image interpolated from > < 1MP cropped from a large 10MP DSLR sensor. > > Igor > > pnstenquist wrote: > > Poor misguided fool. Doesn't he realize that he can accomplish the same > > thing by cropping an image from a larger sensor? > > -------------- Original message ---------------------- > > From: Mark Roberts <msroberts01 at ysu.edu> > > > Talk about frankencameras! > > > http://forums.dpreview.com/forums/read.asp?forum=1036&message=21862555 > > > > > > Apparently you get a 5x crop factor so your 50mm lens has the FOV of a > > > 250 on full frame :) > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net
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