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  Dslr lenses for mirrorless

  Posted by Dylan Tucker on September 27, 2015 at 7:08 pm

  Hi all –

  I have a canon 600d and am looking to upgrade soon, probably to a gh4 or a7sii.

  My question is how would my lenses translate to either camera in terms of fical length, would the auto focus still work and would i need a speedbooster? I’ve tried reading about it but im confused!

  Two example lenses I use a lot are the nifty fifty canon 50mm 1.4 and the sigma 10-20 4-5.6f wide angle tele.

  Thanks!

  Dave B real replied 10 years, 6 months ago 3 Members · 2 Replies
• 2 Replies

• 

  Ivan Petrov

  October 21, 2015 at 12:22 pm

  Your Sigma 10-20 is a crop sensor lens, it won’t cover the full A7sII sensor. It will cover the GH4 sensor though. The Canon 50/1.4 is a full frame lens so it should work fine on the A7sII.

  You don’t need speedboosters for full frame sensors like the A7 series. But you can use them on the GH4 since it has a 2x crop factor.
• 

  Dave B real

  October 22, 2015 at 2:30 am

  Lens adapters for m4/3 or Sony will run you over $200 if you want to use autofocus or control the aperture. The “dumb adapters” sell for under $30 but you will have no aperture control at all on lenses for Canon EF mount.

  Canon EOS M (1, 2, 3, or M10) bodies will autofocus with most of your lenses if you buy the $40 adapter.

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