Pentax Ultra-Achromatic Takumar 85mm f/4.5
Posted 07/11/2011 - 11:17
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There was someone on here that was very interested in
these. Can't remember the name and I'm not sure if he
actually owned one?
these. Can't remember the name and I'm not sure if he
actually owned one?
Half Man... Half Pentax ... Half Cucumber
Pentax K-1 + K-5 and some other stuff
Algi
Pentax K-1 + K-5 and some other stuff
Algi
Posted 07/11/2011 - 13:06
Link
There are a handful of specialised scientific/law enforcement lenses that use entirely quartz instead of glass or a mixture of quartz and glass elements.
Quartz-Takumar 85mm f3.5
Ultra-Achromatic Takumar 85mm f4.5
Ultra-Achromatic Takumar 300mm f5.6
They are highly corrected and intended for UV and IR photography. Because coating absorb UV these lenses are uncoated.
They are very rare and very expensive when they become available.
Source: The Ultimate Asahi Pentax Screw Mount Guide 1952-1977 by Gerjan van Oosten.
Quartz-Takumar 85mm f3.5
Ultra-Achromatic Takumar 85mm f4.5
Ultra-Achromatic Takumar 300mm f5.6
They are highly corrected and intended for UV and IR photography. Because coating absorb UV these lenses are uncoated.
They are very rare and very expensive when they become available.
Source: The Ultimate Asahi Pentax Screw Mount Guide 1952-1977 by Gerjan van Oosten.
Best regards, John
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