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> Meniscus Lens on Horseman 45FA |
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Meniscus Lens on Horseman 45FA
A customer in Australia asked for a Wollaston soft focus meniscus lens for his 4x5 Horseman FA.
But the small 80x80mm lensboard and short bellows draw on the camera limited his options to either a 100mm or 125mm lens. (My 250mm lens would “max out” the bellows draw). Here's the camera... http://www.film-and-darkroom-user.or...1&d=1659116620 The lensboard is 80mm square. Wollaston lens barrels are 73mm diameter. A lens flange would be too big for that 80mm lensboard. Hmmm… After a bunch of emails I sketched out a concept… http://www.film-and-darkroom-user.or...1&d=1659116620 Instead of a flange or a retaining ring, I re-designed an axial screw mount… The 73mm barrel leaves space for the board’s retaining clip and clamp. http://www.film-and-darkroom-user.or...1&d=1659116620 Felt strips seal the voids between the register buttons on the 45FA’s corners. http://www.film-and-darkroom-user.or...1&d=1659116620 A 62mm snap-in lens cap closes that cavernous hole… A black elastic band snugs against the aperture card to seal out hard sunlight. http://www.film-and-darkroom-user.or...1&d=1659116620 I’m told this would also fit the baby 6x9 VH Horseman… ( My 100mm f:1.8 would be nice on 6x9 format ) That was a fun project… Reinhold From my shop... https://www.re-inventedphotoequip.com/Home.html |
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