Archived posting to the Leica Users Group, 2014/04/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Of course ! Not sure what was I thinking. Thanks. Phong On Apr 25, 2014, at 2:51 PM, Henning Wulff <henningw at archiphoto.com> wrote: > No, a shorter register and wider mount both make designing lenses easier > and possibly less expensive. Large rear elements help with wideangles; > especially fast wideangles. Designs can be closer to telecentric, so that > the rays hitting the sensors in the corners can be closer to perpendicular > to the sensor plan. > > Henning > > > > On 2014-04-25, at 8:50 AM, Phong <leicaphong at gmail.com> wrote: > >> Henning, >> >>>> Only if you have a shorter register and a wider mount, optical >> possibilities are increased. >> >> Would a shorter register impose more challenges to the design of >> wide-angle >> lenses, given the smaller angle of incidence to the edges and corners of >> the image circle ? >> >> - Phong >> >> >> >> >> On Fri, Apr 25, 2014 at 11:42 AM, Henning Wulff <henningw at >> archiphoto.com>wrote: >> >>> No, and the digital M's all have a bit of that already. Only if you have >>> a >>> shorter register and a wider mount, optical possibilities are increased, >>> body plus lens thickness can be decreased and you can make a digital body >>> that can use manual and autofocus lenses equally well. Or you could have >>> a >>> body designed primarily for autofocus use, and you could have a body >>> designed for optical rangefinder use and they could use the same lenses. >>> Aperture control could be on the body, or the lenses for full frame use. >>> >>> >>> On 2014-04-24, at 7:53 PM, Doug Herr <wildlightphoto at earthlink.net> >>> wrote: >>> >>>> Henning Wulff wrote: >>>> >>>>>>> >>>> Yes, Leica has had a few areas to struggle over in becoming a digital >>> camera manufacturer. One of them was the thickness of the camera. I think >>> most film M camera users would like a digital M the thickness of an M4, >>> but >>> that won't happen with the sensor, filter pack and display screen adding >>> to >>> the thickness. >>>> <<< >>>> >>>> Is there anything wrong with a digital body the same thickness as the M4 >>> with the lens mount protruding to provide the mount register distance? >>>> >>> >>> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > Henning Wulff > henningw at archiphoto.com > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information