You can easily test it by simply stopping the lens down and then pressing
the DOF button on the camera. If the viewfinder darkens then the aperture
blades are working properly. If there is no change, I'd say "Houston, we
have a problem."
Good luck,
Bruce Dayton
Sacramento, CA
----- Original Message -----
From: "Chris Brogden" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, March 08, 2001 2:39 PM
Subject: Re: Help! Is this lens busted?
> On Thu, 8 Mar 2001, dosk wrote:
>
> > Now, this may sound dumb, but--- Never having owned a Kiron 24mm
> > before, do these lenses operate a bit differently than, say, a Pentax
> > FA 50mm? Or would Ken-Mar Camera be so idiotic (or larcenous?) as to
> > send me an "excell+" rated lens that has its shutter blades frozen
> > into only one f-stop?
>
> Sorry, I have no idea. I know that this is how Canon's FD lenses work,
> but I've never heard of a Pentax doing it. Put it on the MZ-M and see if
> it stops down properly when you take the shot. If it opens wide up to f2
> when you mount it on the camera and stops down properly when you press the
> shutter button, I'd say it's okay.
>
> chris
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