Something tells me that you should have started complaining about the lack of this feature when the K-series cameras came out, and would not operate M-42 lenses with their auto-aperture.

IF you'd been able to convince Pentax or some other maker to retain this anachronistic feature in their 70s cameras, it might still be around.

But at this juncture, you are lost, a fart in the winds of change.

Might I suggest you take a night course that would allow you to design a digital back for your Spotmatic. Probably pretty easy to do if the electronics were housed in a gutted motor drive unit and attached to the bottom of the camera. Replace the pressure plate with a sensor and shaker from a K10D. Glue a 2.5" LCD to the back of the camera. Battery pack in your pocket. Hey, you might not need those mercury cells anymore!

Joseph McAllister
[EMAIL PROTECTED]

On Nov 20, 2008, at 16:07 , JC OConnell wrote:

Huh? The whole point of a M42 DSLR is to get the convenience
of the M42 automatic aperture function which WAS invented over
50 years ago. There is no M42 DSLR or DSLR adapter on the market
that enables the M42 lenses to operate fully (yet). That's my point.
This M42 DSLR would fill a demand that already exists, not
create a new one or expect buyers starting from scratch to
use M42 bodies and lenses althought there could be a good
argument to do that too. Its nothing more than a better M42 camera to
use the
massive quantity of M42 lenses ALREADY in circulation.
Necessity is the mother of invention...


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