yup, you are missing something. lenses designed to cover full frame 35mm wont be as sharp as ones designed just for the smaller sensor. JCO
> -----Original Message----- > From: jcoyle [mailto:[EMAIL PROTECTED]] > Sent: Saturday, December 14, 2002 1:21 AM > To: [EMAIL PROTECTED] > Subject: Re: A new DSLR standard emerging? > > > I can't see a real problem in having a Pentax DSLR with a smaller > mount and > a range of specific lenses for it, _if_ the flange to film plane > distance is > less than that of the standard k-mount. This would allow a > suitable adaptor > to be provided which bayonets into the new mount, and into which the older > lens then bayonets. It can be made with a skirt to cover the gap between > the camera lens flange and the base of the older lens easily enough. > After all we are talking about a camera with _interchangeable_ lens aren't > we? So all we need to do, if the above hypothesis is correct, is > to buy one > or more DSLR-specific wide-angles, whether zooms or primes, and let our > existing lens cover the range from, perhaps,24/28 mm full-frame (= 38/45 > approx) upwards. The only other assumption is that the new mount > would have > the necessary connections, both mechanical and electrical, to cover the > information transfers necessary. > > Or am I missing something here? > > John Coyle > Brisbane, Australia > ----- Original Message ----- > From: "Bojidar Dimitrov" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, December 14, 2002 4:06 AM > Subject: Re: A new DSLR standard emerging? > > > > Hi Tom, > > > > > There's no reason for the new digital cameras to keep the current > > > focal plane to rear element distance. > > > > Well, if those lenses ARE in K-Mount, they will have to keep the > > register unchanged. > > > > > An alternate would be to lower the focal plane distance for the > > > digital lenses and sell an extension tube type adapter to keep > > > the proper focal plane distance for 35mm lenses. > > > > I like this idea, but like I said, I think that the only chance for > > Pentax so sell a lot of DSLRs is to stick to the K-mount. > > > > Cheers, > > Boz > > > > >
