In Defense of the DSLR

Started Sep 23, 2013 | Discussions thread
paulkienitz Veteran Member • Posts: 5,295
Re: Mirrorless cameras are fundamentally better.

Dom K wrote:

I think this is very unlikely. Canon and Nikon currently produce two of the most lacklustre mirrorless systems. As for using the same lens mount, that would be ludicrous; once OSPDAF is perfected, DSLR lenses should be able to AF just as quickly on a mirrorless body with a first-party adapter as on a DSLR, and without the mirror, there is no point in retaining the very large flange distance of DSLRs. A change in flange distance necessitates a different lens mount.

Actually, there is a very good reason to avoid changing flange distance: because adapters are annoying and costly.  Especially if your mount still has mechanical linkages in it.  The advantages of a shorter registration distance, at least with crop sensors, can be realized by simply allowing the back of a lens to protrude inside the mount flange.  Canon has already done this in a small way, allowing their crop-sensor lenses to stick a little closer to the sensor plane than their full frame ones do.

Rumor has it that this is the route Pentax would have gone if the K-01 had been a hit, leading to a line of mirrorless K-mount bodies.  But it flopped so they had to drop the idea.

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Q with 02 zoom and Nikkor 180/2.8 ED for birding
K10D, Sig 17-70, DA 55-300, FA 50/1.4 "billy bass"
discards: DA 50-200 "zipper", F 100-300, Sigma 135-400 "piglet", M 400/5.6 "the Great Truncheon"

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