On Sat, 28 Apr 2007, J. C. O'Connell wrote:
> I have several Automatic aperture M42
> lenses that are Automatic aperture mode
> only ( they dont have auto/manual mode
> switches ). Anybody know of a way to
> keep the rear pin depressed without
> destroying or damaging these lenses?
> ( no superglue or bending pins, etc).
>
> I want to try/test them on istDS
> with PK adapter but cant if I cant stop them down
> some way but I dont want to deface
> or permanently modify these lenses
> as they are too valuable to do that
> at this point. I'm just wondering if
> there is some simple trick to doing
> this that hasnt occured to me yet.
> jco
>
Depending on the lens, it may not be too difficult to remove the
rear of the lens and figure a way to permanently (and removably) keep it
depressed.
-Cory
--
*************************************************************************
* Cory Papenfuss, Ph.D., PPSEL-IA *
* Electrical Engineering *
* Virginia Polytechnic Institute and State University *
*************************************************************************
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