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Schneider Press-Xenar 135 f3.8 info


richard_cove

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I have an older Schneider Press-Xenar 135 f3.8 lens for a Linhof Tech III version 5. The lens is marked in red "Linhof". Serial #4167121. I would like to find information re: the lens and in particular technical test results. There are some for the Xenotar 135 f.3.5 but nothing I can find on this lens. I am especially curious re: circle of coverage, as it handles swings etc. quite well but is much less capable re rises and falls.
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Richard: The Xenar is a four element tessar design. The lenses are

quite sharp, especially at the center, but have limited coverage.

The 135mm just covers 4x5 and you have discovered, but gives a small

amount of rise and shift. When used on the verticle format, you

start getting cut-off corners with a small amount of rise. The

lenses have excellent contrast. The ones marked "Linhof" were

supposed to be specially picked. The lens should give you good

service for general photography with little or no movements. A

plasmat formula will work better when movements are required.

 

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Regards,

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