Archived posting to the Leica Users Group, 2007/11/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Steve, Len, Geoff HELP! See my later answer to Len on his experiment. This crop and dump thing really puzzles me, and interests me much, for I have never been able to understand the crop factor issue or principles; how could reducing the angle result in a "larger" image is the key to it I guess. Phil...x Steve Barbour wrote: > > On Nov 26, 2007, at 11:34 PM, Philippe Amard wrote: > >> Agreed Geoff, >> 4/3s are full frame four-thirds, aren't they, so long as you use the >> lenses that go with them. >> Else, 35mm are also part-frames compared to 6 x 6 (120) or larger >> formats. >> It's semantics ok, but isn't everything a question of point of view? > > > wow, these French are always so damn logical... > > really blows my mind. > > :-) > > and see my separate post svp, > > > could not agree more ! > > Steve > > > >> >> >> More primes: I agree with this to the full. >> Have a nice day >> Phil...x >> >> >> G Hopkinson wrote: >> >>> The smallest DSLR body is the Olympus 410 (four thirds) Just like >>> its ancestors the OMs, its making people and other manufacturers >>> sit up and take notice. Its marginally bigger brother, the 510 adds >>> image stabilisation, more live view functionality (I think), WB >>> bracketing and other nice features. That one is only marginally >>> larger than the D40X which is sans stabilisation. Four thirds is not >>> directly comparable to a "half frame" since the new ones are 10MP >>> like the APSC designs, even though the sensor area is smaller, of >>> course. A film half frame had half the resolution of its full frame >>> equivalent since they had less "film grains" to aim the light >>> at! 432 sq mm of emulsion vs 864 sq mm nominally. I agree most of >>> the zooms have a largish form factor, owing partly to the >>> designs to improve light angles arriving at the sensor. They are >>> zooms of course and some have IS built in. Primes, we need more >>> compact fast primes! >>> Cheers >>> Geoff >>> >>> -----Original Message----- >>> Subject: Re: [Leica] Leica D lens 4/3rds question. >>> >>> In film terms the camera format is half half frame. >>> They've got to scale down the camera to to get my attention. >>> There are nice digital half frames out here (APS-2 or DX) which are >>> half the >>> size of these bloated 4/3's babies. >>> >>> >>> >>> Mark William Rabiner >>> markrabiner.com >>> >>> >>> >>> _______________________________________________ >>> 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 >>> >>> >> >> _______________________________________________ >> 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 >