My boss isn't back from lunch yet, so I did a bit of google fu and found
this pretty good writeup. The key is that in the C menus there's an item
called "use aperture ring".
https://fabioardito.com/how-to-use-vintage-lenses-on-pentax-dslrs/
On 2026-04-23 14:48, John Sessoms wrote:
It came today. Apparently no import duties due.
All that I need to do now is learn how to use it. 😏
It's a very basic K-mount - I'm guessing a T-mount with a K adapter.
Mounted easily on the K-1, but showing "F--" so I guess I'm going to
actually have to RTFM to figure out how to tell the camera what I want
it to do.
With a quick perusal I didn't see anything about U1, U2, U3 ..., but I
think I did find how you set the shutter speed when using a non-A lens
More homework I guess.
--
Vivere in aeternum aut mori conatur
--
Larry Colen [email protected] http://red4est.com/lrc
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