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UltravioletPhotography

Leitz Focotar-II for UV


Andrea B.

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There seems to be some current controversy about this Leitz enlarging lens. I am really not sure why. We have all known about this lens for at least 10 years! What am I missing here anyway?

 

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From Photo.net:

http://photo.net/dig...ra-forum/00DdYF

Sep 22, 2005; 03:47 p.m.

The Leitz Focotar II 100mm is btw. excellent for UV also and tack sharp.

Klaus

 

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From Photo.net:

http://photo.net/dig...00EZMd?start=30

Dec 30, 2005; 05:17 a.m.

 

And now on to the UV transmission on lenses (just an excerpt of quite a lot of test). As you may see, only a few lenses do transmit sufficient amount of UV, the most well known the (older version only) Nikon EL Nikkor 3.5/63mm, the Leitz Focotar II 100mm, the Wollensak Graphic Raptar lenses (138mm, 90mm). The specialized scientific lenses like the Pentax Quartz Takumar 3.5/85mm and the Pentax Ultra Achromatic Takumar 4.5/85mm of course have a flat transmission down to 200nm.

Klaus

An accompanying chart shows some UV-transmissions for various lenses.

 

 

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From Fotozones.com

Jan 27 2010

The 50mm and 100mm Focotar-II were in the Fotozones Lens Sticky since 2010, possibly before.

Those lenses are still in the current UVP Lens Sticky.

http://www.fotozones...-list-proposal/

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