M Lens aperture step down

Larry Colen lrc at red4est.com
Tue Apr 9 19:32:11 EDT 2019

mail1 wrote on 4/9/19 4:27 PM:
> Which of the K- Series cameras Step down the M series lenses?
> Jonathan

It wasn't an M series lens.  One was a tamron adaptal 90mm macro the 
other was a K mount Pentax 135/2.5.

In other news, the last time I checked, my 16-50 wouldn't work on the 
K-3, just the K-3 II, it's now working on the K-3 again.  Weird.

> -----Original Message-----
> From: PDML <pdml-bounces at pdml.net> On Behalf Of P. J. Alling
> Sent: Tuesday, April 09, 2019 9:19 AM
> To: pdml at pdml.net
> Subject: Re: Did I break something, or did Pentax?
> Did you set using aperture ring to permitted in the custom settings, or whatever they've called it on the K-3II and K-1, in the custom menu?
> On 4/9/2019 1:55 AM, Larry Colen wrote:
>> I have a few manual aperture lenses in my collection.  For various
>> reasons I haven't used them in a while.  I just tried to put them on
>> my K-1 and they won't stop down on it.  They don't seem to stop down
>> on my K-3 II either.  They do work on my K-3.
>> Is there a configuration option I missed?  Are my cameras broken? Did
>> Pentax just break that feature?
> --
> America wasn't founded so that we could all be better.
> America was founded so we could all be anything we damn well please.
>       - P.J. O'Rourke

Larry Colen           LRC at red4est.com          http://red4est.com/lrc

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