Autofocus locking on to smaller objects that are closer than main

4 years 11 months ago #641326 by Jackson Rieger
I've been hired to photograph a 14 year old who is training for some swimming competitions and she's doing very well.  The problem I'm facing is my D750 autofocus is locking onto all the splashes and not the swimmer.  Not in all the shots, but enough of them to be very annoying.  I don't suppose there is a way around this?

How can I tell the camera to avoid the splashes and lock onto the swimmer?  


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4 years 11 months ago #641329 by Nikon Shooter
I would suggest a 9 AF points and BBF approach. The 9
points — as it does in wildlife — will ignore the droplets
and follow the larger more contrasty subject. HTH!

Light is free… capturing it is not!
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The following user(s) said Thank You: Jackson Rieger
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4 years 11 months ago #641341 by Jackson Rieger
Oh man, good ideas!  Didn't think of either.  I'll be trying this during out next session.  

thanks again @Nikon Shooter!  


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4 years 11 months ago #641346 by garyrhook
Page 123 of the manual suggests 9-point AF-Area when the subject is moving predictably. You'll want to be in AF-C mode (or AF-A?), of course. The cluster of focus points gives the camera more information on locking focus, but I don't know that it's a given that it would ignore water splashes in every situation. It may be more a  matter of angle and at what point during a stroke you try to take the shot. Neither of which you mention in your post, and that information might be relevant.


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4 years 11 months ago #641366 by KCook
Or just close down the aperture to increase the DOF

simpleton

Canon 50D, Olympus PL2
kellycook.zenfolio.com/

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4 years 11 months ago #641396 by ThatNikonGuy

KCook wrote: Or just close down the aperture to increase the DOF

simpleton



Ha!  I was thinking the same, although some of the other comments here to make sense as well.  Well OP, looks like you have some options!  


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