Animal Eye AF

Started 3 months ago | Questions thread
Max Iso
Max Iso Senior Member • Posts: 7,712
Re: Animal Eye AF

George1958 wrote:

Surely you are not going to use a large aperture for animals at range? I have plenty of BIF images shot with my 7D mkii and EF400, they are sharp including the eyes, also pet dog running madly toward me on a beach, again nice and sharp around the eye.

what I have read is Eye AF is better closer up, but less so at range. The above set up works for me near or far depending on the choice of lens. The EF400 is 5.6 at its widest.

No, i quite agree with you and that's my point. Even if they could, nobody is using a 1" DOF with a telephoto lens for action shooting, not that there's a 300 f/1.4 out there. At distance the DOF is such that it doesn't matter if the focus point is on the eyes or somewhere else on the face.

On the other hand, up close when DOF may be very thin with faster lenses, people aren't likely to be shooting fast motion. The one way i see eye AF helping is it allows one to compose however you like without having to move AF points, or having to focus/recompose.

Is that useful? Yes, but not groundbreakingly so and definitely deserving of the attention it's getting. And this is coming from a current ML user.

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