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Does AF-C work with A7 + MC-11 + Sigma 150-600mm?

ohaya

TalkEmount Regular
Joined
Jul 9, 2021
Messages
43
Hi,

I was wondering if anyone has tested/used with (specifically) the A7 with Sigma MC-11 adapter and the Sigma 150-600mm Contemporary, specifically, does AF-C work with that combination?

I recently got a used A7 and an MC-11 and have been testing with several different Canon (and a Tamron 150-600mm G2) lenses, and while they do "work" (=> most of them, with good light, can focus, possibly after some hunting), the A7 is stuck in AF-S mode, and has AF-C grayed out. I also updated the A7 firmware to the latest 3.20, and same thing.

I don't have a Sigma 150-600mm with Canon mount, but I wanted to try to find out what the situation is with that combination, before I consider trying to get another (I do have a Sigma 150-600 with Nikon mount) Sigma 150-600mm.

Thanks,
Jim
 

bdbits

Super Moderator
Joined
Sep 10, 2015
Messages
2,838
Real Name
Bob
The MC-11 is well regarded but support for specific lenses varies somewhat. Sigma maintains a list on their site of compatible lenses, but it is known to work with lenses not on the list.

I found an older article where someone was using it with an A7ii and that did allow for AF-C. I would guess it will probably work similarly on an A7.
https://thrutheframe.wordpress.com/2016/06/22/into-satpura-with-sigma-150-600mm-c-and-mc-11/

But maybe someone here has experience with the adapter and lens.
 

ohaya

TalkEmount Regular
Joined
Jul 9, 2021
Messages
43
Hi,

I've been testing today with the Altson adapter, Canon 400mm, and A7, and AF-C, shooting hummingbirds.

Here is a sequence from today. The first couple of pics are out-of-focus, as I catch up to the bird. These are all SOOC Jpegs (I had tried shooting fine+raw, but camera was too slow). All at 1/4000, f/6.3, AUTO ISO:
DSC02128.JPG DSC02129.JPG DSC02130.JPG DSC02131.JPG DSC02132.JPG DSC02135.JPG DSC02153.JPG DSC02154.JPG DSC02155.JPG DSC02156.JPG DSC02157.JPG
 

Kirkp

TalkEmount Veteran
Joined
Nov 2, 2014
Messages
220
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