How about buying a cheap old camera, taking off the back, and using the body as a laser mount? -T
On Sun, Aug 19, 2012 at 2:25 PM, Larry Colen <[email protected]> wrote: > I'm looking for two things. > > First an inexpensive, high powered green laser. I bought mine a few years > ago, and I expect that you can get a lot more power for $50 worth of laser > now than you could back then. Has anyone done any shopping for them lately? > > 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. > > If there is some sort of a screw mount that I can get adapters for k-mount to > screw mount, that may work. I could also probably get minolta to this screw > mount, or nikon to this screw mount adapters too. > > I could, in theory, also have a friend with a machine shop fab me up > something that is the right dimensions to mount a K-mount lens. Or, > possibly, drill a hole, mount a quality back cap in it, and use that to mount > a k-mount lens. > > Anyways, I thought I'd throw the idea out to see if anyone happens to know of > something that would do this well, for not much money. > > A couple of my previous laser calligraphy experiments. Note that my > calligraphy skills are quite lacking. > > Just the laser: > http://www.flickriver.com/photos/ellarsee/sets/72157629297628485/ > > A mixture of with and without the lens: > http://www.flickriver.com/photos/ellarsee/sets/72157631104565424/ > > > > > -- > 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. -- 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.
