A quick and technical question about autofocus.

Started 3 months ago | Questions thread
Tazz93 Senior Member • Posts: 2,534
Re: A quick and technical question about autofocus.

The Ambassador wrote:

Ok, thank you!
So, even in mirrorless systems it makes sense to talk about low light focus performance (because of the lens). And not about the front/back focus.

I don't want to say the lens is more important because not all focusing systems are equal. Some will be better in low light than others, but mirrorless systems will have a benefit of cutting out the middle man (the mirror) when compared to DSLRs. Since you have to reflect light and pass it around from lens to sensor more is lost in the DSLR than is lost in the mirrorless. Not much, but the mirrorless camera has a small advantage in that area.

So in summary, mirrorless cameras have an advantage on DSLRs in low light, but not massive. A better DSLR can still beat a mirrorless camera, but the mirrorless camera has an advantage built in. Also, faster aperture lenses help to focus in low light.

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Mike Jackson - Wildlife Photography Enthusiast

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