Archived posting to the Leica Users Group, 2007/11/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Philippe, I guess what I'm saying is if you use a newer, higher MP, lower noise full frame camera, a cropped photo will look the same as that taken with a 1.6X crop camera with a lower MP count sensor and poorer noise performance. Many people say use the higher crop camera to get a better telephoto photo. I say that depends on what you are comparing it to. The comparison is between the Canon 20D and the 5D. The lens used is the Canon 400mm f4 DO IS lens. I see no difference between exact photos taken from these two cameras taken from the same location. (after cropping the 5D photo) Regards, Len On Nov 27, 2007, at 11:17 AM, Philippe Amard wrote: > Very interesting experiment Len. > Is it me or is there a gap in the reasoning here? > You wrote : > >> The final two images looked identical. This is noise level and >> clump size and image resolution or perceived sharpness.(versus) >> It seems the improved image and noise performance of the 5D >> offset the less cropped image of the other camera. > > This I cannot understand. > > Other: from what I get, you used the same lens on both cameras. May > I suggest that one of them is not the perfect match for the lens? > Hence maybe the result you get? > I think some lenses have been produced for the 35mm format, others > for APS, others yet for 4/3, etc. With this in mind, and seeing > that there are some incompatibilities (Canon's S? on 5D for > instance, unsure about this types) can we draw general conclusions > from your findings? > > Thanks for sharing Len, I'm not a "technie", but I'm willing to > learn :-D > > Phil...x > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information