Quoted By:
As my trusty Pentax K-50 just died, plagued by the aperture control issue which bans the use of any lens with KAF3 mount, I just received an Helios 44M and a Super-Tak 28/3.5 to continue using it (I have a M42 to K adapter).
And sold my Pentax KAF3 lenses.
Can't wait to try these.