On Aug 19, 2012, at 8:02 PM, steve harley wrote: > on 2012-08-19 15:25 Larry Colen wrote >> Secondly, I'll want a way to mount one axially behind a k-mount lens. M42 >> would be sort of easy, just drill two holes on the same axis, one the size >> of the laser, one 42mm, and then thread the hole for m42 lenses. I sort of >> did this with my current setup which uses an old 50mm Argus C3 lens. This >> spreads the beam nicely, but I'd like to be able to change focal lengths to >> change the spread of the beam, and I have a much wider range of K-mount than >> m42 lenses. > > no idea about laser sources, but if you'd like the K-mount and immediately > surrounding chassis from an old A3000 i'll send it to you for shipping; it > has a working quick release, and it appears the chassis rear presents a plane > which is square to the light path, which should make it relatively easy to > attach stuff properly to the back
I think I'll take you up on that. Shipping shouldn't be too expensive, and I don't want to destroy any of my bodies, all of which do work. My snail mail is Larry Colen 7522 hwy 9 Felton CA 95018 -- Larry Colen [email protected] sent from i4est -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

