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New Speed Graphic Lens ! Rangefinder Question

 
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skytrooper



Joined: 10 Apr 2016
Posts: 1
Location: New Hampshire USA

PostPosted: Mon Apr 11, 2016 11:44 am    Post subject: New Speed Graphic Lens ! Rangefinder Question Reply with quote

Hi everyone,
I have an old Speed Graphic that i picked up some time ago and I haven't really done much with it. I'd like to use it hand held for shots and I have two lenses in my bag. One is a wide angle Optar 90mm f6.8 and a Kodak Ektar 203mm f7.7. The reason I ask is i will need to figure out how to adjust my infinity stops and my kalart rangefinder to that lens so I want to set things up for the best of the two lenses. My first question is which lens should i set the camera up for? The camera came with a 135mm Optar but its badly scratched so the only other lenses i have are those two. My last question is, i have a Kalart rangefinder i want to use for hand held shots but i see no double image through it. Is it expensive to repair? Sorry for all the questions on my first post.
Thanks
Sky
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45PSS



Joined: 28 Sep 2001
Posts: 3594
Location: Mid Peninsula, Ca.

PostPosted: Mon Apr 11, 2016 6:26 pm    Post subject: Reply with quote

Quote:
i have a Kalart rangefinder i want to use for hand held shots but i see no double image through it. Is it expensive to repair?

The beamsplitter has failed. Sources for beamsplitters is drying up. You want a 50/50 beamsplitter mirror that may be found on ebay or edmund optics http://www.edmundoptics.com/optics/beamsplitters/plate-beamsplitters/plate-beamsplitters/31414/

Measure yours first and order a different size if needed. The rangefinder will need to be reclaibrated once the mirror is replaced. A Kalart rangefinder can be calibrated to one lens at a time. Select the lens you want to calibrate it to then follow the procedures at http://graflex.org/speed-graphic/kalart-adjustment.html
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