[LargeFormat] Polaroid 35mm Eurygon 10x +

[largeformat@f32.net]

From memory, Polaroid Eurygon 35mm is only 3 (possibly 4) element enlarging 
lens designed for 10x + closeups on 4 x 5. (Check Polaroid MP-4 pages through 
Google.com)  

Tominons are sharp as tack Tessars optimized for closeups but work out to 
infinity just fine if you keep to middle of field...
> I just replaced a decent 203mm Ektar f7.7 with an as new 210mm Schneider
> Xenar f6.1   (what strange apertures!) in the hope of getting a more
> contrasty image. Maybe the definition will be sharper but the Ektar wasn't
> bad. I used it as a long focus lens on a 2x3 Graphic, which necessitated
> making a tubular extension on a lensboard as the bellows are too short for a
> 203mm.   I bought the new Xenar because the modern tiny f5.6 150mm Xenar I
> bought a couple of years ago is excellent. Certainly the consistent accuracy
> of modern Copal shutters is welcome.
> What surprised me was that the 210mm Xenar when mounted in place of the
> 203mm Ektar needed no more extension.
> Can anybody tell me where I can find statistics such as back focus in mm on
> modern LF lenses?  The data I have is out of date.
> As a separate bit of data, the Polaroid Eurynar 135mm and Eurygon 35mm would
> seem to be wide field lenses in shutters and possibly useful for technical
> cameras. Is anything known about them? A 75mm, 105mm and 127mm Polaroid
> Rodenstock and Tomioka/Tominon lenses have worked quite well for me.
> Thanks for your time. Philip
> 
> 
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