Sigma 150/2,8 w MMF-3 on E-M5: having trouble

Started Nov 14, 2012 | Discussions thread
OP revio Senior Member • Posts: 1,672
(Update) Sigma 150/2,8/MMF-x to m4/3 body: Will NOT work, according to Sigma importer

I got information today from the importer of Sigma to Sweden (which is where I live) and they clearly told me the Sigma 150/2,8 APO Macro DG HSM can NOT autofocus mounted on a m4/3 camara.

Sad...but now I know.

Will have to decide upon selling it to a proer 4/3 user or to keep it, and use it manually, and/or use it with my E-620 & E-500, on which it does work also with autofocus (not in Liveview on the 620 though)

The problem lies not in the adapter, it´s the lens that has some limitation in it´s firmware/hardware or such, that prohibits AF to work in CDAF mode or on a m4/3 camera.

They had no info about wheter this will be offered as a possible uppgarde by Sigma, but probably it will not, since 4/3 nis not a mount where a fairly large number of units have ben made/sold (in 4/3 guise)

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