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I have a 16 1/2 Red Dot Artar front mounted on a Heavy Duty Alphax shutter (the shutter was originally part of an oscilloscope camera). The light weight of the lens is a plus in a front mount.
I use the lens on a Technika V, usually stopped down to f16 or f22. It is a fine sharp lens.
"Later I used in my 8x20 and it had plenty of coverage".
The dialyte type of lenses (Celor, Artar, Apo-Ronar, Kodak Ektar 203/7.7), have little coverage. It is not a plasmat design. The above 420mm lens, only covers 9"x12" at infinity.
Brian - your inquiry prompted me to get off my duff and remount my 16 ½" Red Dot Artar on a modified 110mm Toyo board, so I can use it on my 8x10 Tachihara, too. The hole required was a tad less than 2mm larger than a standard Copal #3 hole, so a few minutes with a file did the trick.
Thanks for the motivation!
http://www.rbarkerphoto.com/misc/Pho...04-06-600c.jpg
I have a red dot 16 1/2" F:9.5 Goerz Apochromat Artar mounted on a metal frame with a lever for graduated settings 20 t0 200 @ F:16,22,32 & 45. It was used on a Modi-
Graphic flat bed camera that was 13" long. The lens itself has a slot to insert color gel filters for color separation. My graphics shop in NYC used it to shoot 20" x 24" films which we used for screen printing. It's so sharp you can reproduce an eyelash. On the film end we had a holder for oil filled prisms that could rotate on its axis allowing us to distort copy to an artists specs. As I also supplied color photos for tv commercials I had a polaroid 8" x 10" color print holder. It plus its' 19" F:11 sister are for sale. Make an offer.--Norman Lampe