Originally posted by wombat2go Ah, a full-circle fisheye adapter! Fun fun fun! If I included adapters, I'd have to list the 3- and 4- and 5-image prisms, the starmakers, similar optical toys.
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#1a: I already mentioned the massive Schneider Betavaron (810g). Brutally sharp.
#1b: The more massive Rodenstock XR-Heligon 120/1.8 (870g) xray-machine lens. The mount is a PK macro tube I glued onto the body for fixed-focus of ~56cm. Real thin DOF, about like a 50/0.75! I'd love to put this beast on a NEX with a focusing helicoid.
#1c: The Loreo Perspective Control lens-in-a cap 35/11-22 (30g). No tilts, but it shifts, and it's a pancake, and it's sharp. I'll soon receive its ancestor the original lens-in-a-cap 35/5.6-64 (30g?) for near-pinhole effects (without the dust), and the Lubot 10x loupe (20g?) that snaps into either lens-in-a-cap for flatfield ultra-macro shots. Just right for my ultra-light mini-kit.
#1d: The Schneider PC-Cinelux AV 60/2.8 (300g), a projector lens with shifts. Somewhat similar to the Loreo PC, but rather larger-faster-longer. This works fine on bellows. I have other odd projector lenses too, like some Kodak 100-150/3.5 projector zooms (usable with bellows), and a fast Projection Optics 76/1.8 (this will need a NEX).
#1e: A +2dpt closeup optic screwed onto an +8dpt Raynox DCR-250, mounted on bellows via a 42-43mm step-ring. This becomes an ultra-soft 100/2.5 optic. Ah, that romantic glow...
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#2: I still haven't thought of lenses that sicken me, although I do tend to avoid variable-max-aperture MF zooms that aren't AF or A-type.