Nikon mirrorless
Jan 8, 2018 15:46:06 #
BebuLamar wrote:
In 1983 I purchased a Pentax "Super Program"; we didn't think in terms of system modes back then. If I set an aperture value on the lens and a speed on the body, it was what we call "M" mode today. If I set an aperture value on the lens and "auto" on the body, it was what we call "Av" mode today. If I set "a" on the lens and a speed on the body, it was what we call "Tv" mode today. If I set "a" on the lens and "auto" on the body, it was what we call "P" mode today. I see no advantage to that system, because I had to check two places, instead of one mode dial, to be certain of what mode it was in. Are you saying Nikon never went through this phase on their way to today??One more thing that when I read the reviews of the Df I found that so many reviewers complain about the need for the mode dial. They argue that Fuji can provide all 4 auto modes without the dial because if you set the lens to A that's A mode, if you set the shutter speed dial to A that's S mode and if you set both to A that's P mode. That's not possible with the Df because it takes Nikon F mount and none of the F mount lenses has an A position.
Besides, I don't think Nikon wants to make an earth-shaking change. Pentax released their first full frame camera last year, and users are still impatiently waiting for certain new "DFA" lenses.
Jan 8, 2018 18:04:24 #
Nikon blew it when they mis-evaluated the mirrorless market and chose to be a laggard. My Sony mirrorless serves my needs very well in that department.
Jan 8, 2018 19:47:27 #
rgrenaderphoto wrote:
The Nikon rumour mill "thinks" that the ... (show quote)
This brings out another advantage of mirrorless in that it allows the use of non-retrofocus designs in wide angle lenses. In days of film one of the main reasons the Leica and Zeiss rangefinder cameras were so popular was their standard designed wide-angle lenses were superior to their retro-focus cousins. The whole idea of a retro-focus design was more or less counter intuitive to the laws of physics. The early ones were "work-arounds" at best and usually inferior in sharpness, especially around the edges. The need to make room for the mirror in a reflex design eliminated the ability to place the rear element of the lens close to the film plane as required in standard wide-angle designs such as the Zeiss Biogon, Leica Super-Angulon-M, etc.
Standard wide angle lens designs require fewer elements which usually results in superior sharpness, and they spread the light more evenly across the sensor or film plane resulting in less light fall-off around the edges.
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