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Bill_1856
24-Sep-2009, 03:36
When did rangefinders first appear on Speed Graphics?

ki6mf
24-Sep-2009, 04:03
The Kalhart was invented in 1936 by Morris Schwartz according to an article called The Kalhart History on Jo Lommen's web site. Jo did a great online history these cameras. I don't know about the other viewfinders that were made for these cameras. The article gives an interesting history on accessories for the cameras.

A good resource is the Graflex.org web site. I did not see anything on when these were invented on the Graflex web site

Here are the URLs:
http://www.xs4all.nl/~lommen9/kalartcamera/page3.html
http://graflex.org/

IanG
24-Sep-2009, 04:34
I don't think Mr Morris could claim it as an invention :D Kodak had a coupled range-finder on cameras in 1916 !!! His design yes.

Ian