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Do Canon DSLRs have a better autofocus than the M6 or 350d in low light?

Started Oct 31, 2017 | Discussions thread
MikeJ9116 Veteran Member • Posts: 6,958
Re: Do Canon DSLRs have a better autofocus than the M6 or 350d in low light?

noisephotographer wrote:

Hello,

the Canon M6 has an extremely bad autofocus in low light at f/5.6 or f/6.3 (ef-m 15-45), actually completely unusable at dusk, it won't focus at all. Even average lighting conditions (Iso 2500, 3200 with f/5.6 or f/6.3) are very often problematic. I compared the autofocus with a 350D (Ef-s 18-55 at f/5.6) and my first impression is that the 350D's autofocus isn't really better in low light than the M6 (at f/5.6), maybe about the same.

So I would like to know:

Does the Canon 200D or Canon 77D have a better autofocus in low light at f/5.6 than the 350D or M6?

I mostly use single-point AF (using more AF points doesn't make a significant difference).

I have the SL2 and find that AF through the OVF is better in low light than using live view.  Since live view is basically the same between the SL2 and M6 I would say the the OVF AF in the SL2 is better than AF for the M6.  My guess is the SL2 has better low light AF than the 350D due to the advances in technology from one camera to the other.  It definitely won't be any worse.

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