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Thinking of something narrower: Panasonic 42.5 F/1.7, Olympus 45mm F/1.8 or Sigma 30mm F/2.8

Started Sep 16, 2015 | Discussions thread
OP Hithertoo Senior Member • Posts: 1,841
Re: Thinking of something narrower: Panasonic 42.5 F/1.7, Olympus 45mm F/1.8 or Sigma 30mm F/2.8

If I got an EF adapter I have a bunch of lenses that I can borrow. I would suspect the issue with the EF adapter is the slow AF speed. People say the Panasonic 20mm F/1.7 is slow because of its focus motor, and it is to a point, but on top of the fact that EF lenses generally require a PDAF sensor (excepting the EOS M), most Canon lenses have the same sort of focus motor as the Panasonic 20mm F/1.7. That is slow and noisy screw drive lenses.

It's an interesting prospect but I would have to at least own an E-M1 first and then I may think twice about it. Adapted lenses no matter on the format including Sony E mount (where there are numerous AF adapters) or Canon EF mount, are always slower than what they would be on a native camera.

 Hithertoo's gear list:Hithertoo's gear list
Olympus OM-D E-M5 Olympus M.Zuiko Digital ED 9-18mm F4.0-5.6 Panasonic Lumix G 20mm F1.7 ASPH Panasonic Lumix G Vario 100-300mm F4-5.6 OIS Olympus M.Zuiko Digital 14-42mm 1:3.5-5.6 II R +7 more
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