pico Posted June 29, 2017 Share #21 Posted June 29, 2017 Advertisement (gone after registration) Does anyone know the differences between the 15 and the 16 models Leitz determined that the Zeiss 15mm Hologon was not a good fit for the M body with the lens' 4.5mm back focal distance. The 16mm Hologon is a Leica design with slightly different lens construction. (Leitz bought Zeiss Ikon's Hologon stockpile in the early Seventies when Zeiss Ikon went out of business.) The Hologon's enormous angle of light toward the sensor edges makes it, in my opinion, unsuitable for an M10 which has filters over the sensor. It might be popular for monochrom users. In the end, I would look to Cosina's wide angles, 10mm, 12mm or 15mm which have entirely different designs than the Hologon. Link to post Share on other sites More sharing options...
Advertisement Posted June 29, 2017 Posted June 29, 2017 Hi pico, Take a look here 16mm Hologon. I'm sure you'll find what you were looking for!
Lord Lucan Posted June 29, 2017 Share #22 Posted June 29, 2017 .......The 16mm Hologon is a Leica design with slightly different lens construction which offers more clearance. ..... Never heard that before. Link to post Share on other sites More sharing options...
pico Posted June 29, 2017 Share #23 Posted June 29, 2017 Never heard that before. I edited out 'for more clearance' until I find a good citation. Leitz's redesign should offer more clearance, however another advantage for them is that the new design might have been easier, more economical to produce. Link to post Share on other sites More sharing options...
Lord Lucan Posted June 29, 2017 Share #24 Posted June 29, 2017 I edited out 'for more clearance' until I find a good citation. Leitz's redesign should offer more clearance, however another advantage for them is that the new design might have been easier, more economical to produce. 16mm Hologon is a Zeiss design. I think Leica did not have any expertise to come up with such a lens. I think Hologon is abiogonal design. https://www.zeiss.com/content/dam/camera-lenses/files/service/download-center/datasheets/historical-lenses/contax-g/datasheet-zeiss-hologon-816-en.pdf Link to post Share on other sites More sharing options...
brill64 Posted August 26, 2017 Share #25 Posted August 26, 2017 I recently couldn't pass on a good deal for a modified to M-mount 16mm/f8 Hologon which is now have fitted on my M10. The rear lens protrusion does not touch, hit, scrape or block the shutter blades, which operate correctly, at least with my copy. I imagine its very close though. The real issue I have found is with quite pronounced magenta edges. I have not experimented with the lens enough to figure out the best manual lens settings in camera. Does anyone have any helpful suggestions? Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/273884-16mm-hologon/?do=findComment&comment=3345528'>More sharing options...
a.noctilux Posted August 26, 2017 Share #26 Posted August 26, 2017 With deep-inside wide lens, I try Elmarit 2.8/21 (non asph) in M10 manual setting. As second chance, sometime WATE setting at 16mm took some red/magenta edges off a bit but not all. Link to post Share on other sites More sharing options...
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