On 9/17/2014 7:36 PM, Peter Loveday wrote:
On 9/17/2014 3:43 PM, JC OConnell wrote:
I was daydreaming today about the possible upcoming Pentax FF DSLR and
it got me thinking about the lensmount.
Since the FF body will initially be relying heavily on legacy, not
current lenses, would Pentax dare to uncripple the mount and bring
back the aperture cam sensor so that K and M lenses could meter and do
autoexposure?
That would be icing on the cake and make the camera irresistible for
me.
Daydream on like Pentax's soul the aperture simulator is lost forever.
Not only that. I expect the mechanical aperture lever to go away
eventually and be replaced by all-electronic aperture stop-down.
Probably with some backwards compatibility at first.
Yes, indeed.
If anything we may see less compatibility with the (mythical?) FF line
than we have with APS/C. Ricoh may see this as an opportunity to
modernize and make a clean(ish) break.
A good number of DA lenses will already be unusable (without some
auto-crop), and it's really anyone's guess how well legacy K glass will
perform. Much of it has been less-than-stellar on APS/C, and FF would
potentially be somewhat worse.
I'm not suggesting all lenses will instantly be incompatible, but I would
be *very* surprised if they took the mount backwards and not forwards.
But really Ricoh can't afford to alienate the Pentax user base. if they
build a Full Frame DSLR that doesn't at least have as much backward
compatibility as the current APS-C cameras why would I or any of us for
that matter, really care if they build one. Because it says Pentax on the
prism? Please. Asahi Optical Company is dead and gone. My loyalty to the
Pentax brand lasts as long as they support my lenses. Once they stop
doing that, I might as well buy a Sony A7, if I want full frame.
Well, as I did say, I don't expect them to be incompatible right away. What
I think is more likely is progressive modernising of the mount, not
progressively taking it back to old mechanical linkages.
Hypothetically we may see electronic stopdown capability, then new full
frame lenses that require that. Future bodies may or may not drop the
mechanical coupling, but it is certainly possible we'll start seeing
lens/body combos that just don't work together so well. Much like when they
introduced lenses with no aperture ring.
Anyway, it's all guesswork, but I agree they won't completely change mount
unless they are crazy.
- Peter
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