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Compatibility Zeiss CY with Speed booster

Thierry Maybon :: 06.10.2016 12:04:56

lvl. 1 (Lens-Learner)


I would like to know if all the Zeiss Yashica Contax lenses can be used with the Speedbooster Contax Yashica lens to Sony E Ultra 0.71X (MB_SPCY-E-BM2)? (This information is not noted on their web site)
If not, does it depends of the type (Sonnar, Planar, Distagon...) or the focal length? (For example, I've seen that Zeiss Sonnar 180mm F/2.8 can't be used with Contax to Canon adapter and Canon to Sony E Speedbooster)
If someone can help me, thank you very much.

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