Archived posting to the Leica Users Group, 2009/02/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]<http://www.dofmaster.com/doftable.html> Regards, George Lottermoser george@imagist.com http://www.imagist.com http://www.imagist.com/blog http://www.linkedin.com/in/imagist On Feb 6, 2009, at 7:52 PM, Adam Bridge wrote: > I think you're answering a different question. The question I heard > essentially says this: "If I shoot a 50mm lens on my M8 will the depth > of field be identical to the image made by an M6 with the same lens > (cropped to match the M8). > > I would say the answer has to be yes. I cannot make my head wrap > around any different answer. > > Adam > > On Fri, Feb 6, 2009 at 4:45 AM, Vick Ko <vick.ko@sympatico.ca> wrote: >> Bingo! >> >> That's it - the 50mm with a cropped frame is a different >> perspective than a >> true 100mm lens !!!! >> >> Or to truly exaggerate the phenomena, use a very wide angle lens, >> and crop >> the image to equivalent to the longer focal length (e.g 18mm >> cropped to what >> a 75mm will show). I'm thinking the image will have the >> perspective of the >> 18mm lens (i.e. large nose if image is a face), but image size >> might be >> equivalent to the 75mm. >> DOF is whatever the 18mm lens aperture was set at. >> >> Right? >> >> Vick >> >> >> Don Dory wrote: >>> >>> Vick, >> >> ....; you will however get a different perspective as the crop >> sensor will >> not include as much of the scene. >>> >>> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information