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Drack
Joined: 27 Feb 2011
Posts: 735
Location: Lithuania
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 Posted: Thu Oct 30, 2014 7:04 pm Post subject: Compugraphic lenses- anybody heard of them? |
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Drack wrote:
Yesterday I`ve received a lot of goodies in the mail, and amongst all of them where these three lenses: Compugraphic 90mm x2 and x1 110mm
They do not have apertures, nor do they have focus rings. The mount is ~ 20mm. At firs I thought that they are microscope lenses, but I`m not sure, as I can`t find any info about them. Interestingly, they where attached to Minolta Macro bellows, that had the adaptor for reproducing film negatives. At leas I know what the guy did with them  . However I would like to know more and if anyone can provide any info, it would be really awesome.
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DSLR: Pentax K-x + 18-55 kit + f4 35-75mm
Mirrorless : Samsung NX-20 + 18-55 kit
M42 lense: Helios 44-2 , Helios 44-3, Helios 44m , Tair 3 Phs , Mir-1B , Jupiter-37a, Industar 50-2, Industar 61 L/Z, Tlear-N .
Currently using:
Minolta X-700 + MD f1.7/50mm + Rokkor-X f2.8/28mm + MD f3.5 35-70mm MACRO
Zorki-4K + J-8 f2/50mm + J-12 f2.8/35mm
EXA 1A + CZJ Tessar f2.8/50mm |
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Thu Oct 30, 2014 7:33 pm Post subject: |
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luisalegria wrote:
Used for typesetting.
http://en.wikipedia.org/wiki/Compugraphic
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I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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Drack
Joined: 27 Feb 2011
Posts: 735
Location: Lithuania
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| Posted: Thu Oct 30, 2014 7:55 pm Post subject: |
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Drack wrote:
Thanks a lot . That explains, why did the guy use these lenses for negative reproduction. Since they came with adapters to Minolta MD mount, I`ll guess I`ll try them myself .
_________________
I have many great Russian cameras and lenses for sale on my ebay account, please check it out: http://www.ebay.com/sch/piksius/m.html?_nkw=&_armrs=1&_from=&_ipg=25&_trksid=p3686
Forum members are olbigaded to a discount
DSLR: Pentax K-x + 18-55 kit + f4 35-75mm
Mirrorless : Samsung NX-20 + 18-55 kit
M42 lense: Helios 44-2 , Helios 44-3, Helios 44m , Tair 3 Phs , Mir-1B , Jupiter-37a, Industar 50-2, Industar 61 L/Z, Tlear-N .
Currently using:
Minolta X-700 + MD f1.7/50mm + Rokkor-X f2.8/28mm + MD f3.5 35-70mm MACRO
Zorki-4K + J-8 f2/50mm + J-12 f2.8/35mm
EXA 1A + CZJ Tessar f2.8/50mm |
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luisalegria
Joined: 07 Mar 2008
Posts: 6602
Location: San Francisco, USA
Expire: 2018-01-18
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| Posted: Thu Oct 30, 2014 8:35 pm Post subject: |
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luisalegria wrote:
Technically these are projection lenses, like enlarger lenses. Thats just what they were used for, projecting an image on photo paper.
Type size was made larger or smaller by using a different focal length so these lenses were mounted on a turret like an old cine camera.
They should be flat field lenses because of their original application.
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I like Pentax DSLR's, Exaktas, M42 bodies of all kinds, strange and cheap Japanese lenses, and am dabbling in medium format/Speed Graphic work. |
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