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AF of Canon EF-lenses on SL3 (or SL2)?


tom0511

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I am interested in experiences of Caon-EF Telelenses on the SL3 (or SL2) with the mc21.

Would a EF100-400 or a EF400/4.0 do focus as fast as a Leica 100-400?

Too bad RF lenses can not be used on L-Mount bodies.

 

Edited by tom0511
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I very much doubt it.

I have The Canon 70-210 f4 L lens and it focuses much faster on a 7D than the SL and the 90-280 is also faster than the Canon lens on the SL. The 85 f1.2 L is just slow. 

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Same than it was with SL2. If only we could switch to afc with adapter, then SL3 would use phase autofocus but we cannot. Stuck with afs, it's contrast based focusing.

With S52 you can switch to afc and Canon lenses works very well. Sent email to Leica right away when I got SL3 but I quess this will never get "fixed". Tried with 135mm F2, 100-400, 300 2.8. 100-400 was the best of these. But it was the same with SL2..

So answer to your question, unusable. Shaky video:

https://www.dropbox.com/scl/fo/b47j73om77u52vg7oc38r/AMKvTs8RV9S6POFizm2mPi0?rlkey=srs61ymlyelhww56r151i8r4b&st=zjlyfppr&dl=0

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Am 14.6.2024 um 07:06 schrieb Mikko Kankainen:

Same than it was with SL2. If only we could switch to afc with adapter, then SL3 would use phase autofocus but we cannot. Stuck with afs, it's contrast based focusing.

With S52 you can switch to afc and Canon lenses works very well. Sent email to Leica right away when I got SL3 but I quess this will never get "fixed". Tried with 135mm F2, 100-400, 300 2.8. 100-400 was the best of these. But it was the same with SL2..

So answer to your question, unusable. Shaky video:

https://www.dropbox.com/scl/fo/b47j73om77u52vg7oc38r/AMKvTs8RV9S6POFizm2mPi0?rlkey=srs61ymlyelhww56r151i8r4b&st=zjlyfppr&dl=0

too bad

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On 6/14/2024 at 7:06 AM, Mikko Kankainen said:

Same than it was with SL2. If only we could switch to afc with adapter, then SL3 would use phase autofocus but we cannot. Stuck with afs, it's contrast based focusing.

With S52 you can switch to afc and Canon lenses works very well. Sent email to Leica right away when I got SL3 but I quess this will never get "fixed". Tried with 135mm F2, 100-400, 300 2.8. 100-400 was the best of these. But it was the same with SL2..

So answer to your question, unusable. Shaky video:

https://www.dropbox.com/scl/fo/b47j73om77u52vg7oc38r/AMKvTs8RV9S6POFizm2mPi0?rlkey=srs61ymlyelhww56r151i8r4b&st=zjlyfppr&dl=0

Mikko, can you please reconfirm or correct: 

 

Canon or Sigma lenses with EF mount + Sigma MC-11 adapter EF > L

 

S1R (I use)

SAF: contrast detect AF

CAF: does not work at all

 

SL2

SAF: contrast detect AF

CAF: does not work at all

 

S5II

SAF: phase detect AF

CAF: phase detect AF (?)

 

SL3

SAF: phase detect AF

CAF: contrast detect AF (?)

 

S1RII

hopefully like S5II, not like SL3 😝

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