Robert Stoddard wrote: > > Marv, > As I recall the Focuspot, the light source sat on the top end of the > vertically mounted RF and shone its light through a little transparent port > directly along the axis of the RF. Because of the beam-splitter mirror, > half of the light emerged from the top window of the RF, half through the > bottom window. When the camera was focused, the two beams converged on the > subject. > If you are putting your laser light source in the same location, then how > is there any danger of light coming out the eyepiece? > RKS > > >From: Marv Soloff <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> > >Subject: [Cameramakers] Use of pocket Lasers with rangefinder cameras > >Date: Mon, 17 Dec 2001 18:01:51 -0500 > > > >Had an opportunity to buy a handfull of pocket lasers the other day. > >These are marketed as a "laser keychain" and measure 2-1/2" long by > >1/2" in diameter. > > > >I had remembered that Kalart made an accessory for the Kalart > >rangefinder equipped Graflex press cameras that used a battery and > >focused lamp to project a pair of light beams for focussing in low level > >light conditions. > > > >When Kalart manufactured its own press camera, the Kalart 3 x 4, this > >device was an integral part of the camera. > > > >So, the question arose - can a small laser be used thru the rangefinder > >port to provide low light level focus? > > > >Well, I tried it and it works. The only problem is to fabricate a fail > >safe blocking plate that prevents looking thru the rangefinder when the > >laser is in operation. Perhaps a slide switch arrangement? > > > >The cost of the keychain lasers - at the Englishtown (NJ) flea market > >$2.00 each including 3 LR44 batteries. > > > >Regards, > > > >Marv > >_______________________________________________ > >Cameramakers mailing list > >[EMAIL PROTECTED] > >http://rmp.opusis.com/mailman/listinfo/cameramakers > > _________________________________________________________________ > MSN Photos is the easiest way to share and print your photos: > http://photos.msn.com/support/worldwide.aspx > > _______________________________________________ > Cameramakers mailing list > [EMAIL PROTECTED] > http://rmp.opusis.com/mailman/listinfo/cameramakers
Just tried it on the 23 Crown Graphic - there is too much backscatter thru the viewing lens of the rangefinder for comfort. I, for one, approach lasers with great caution. The adapter will have a shutter for the viewing window coupled to the laser power switch. Regards, Marv _______________________________________________ Cameramakers mailing list [EMAIL PROTECTED] http://rmp.opusis.com/mailman/listinfo/cameramakers
