Wide aperture - Pictures out of focus

Started 4 months ago | Discussions thread
JBurnett
Contributing MemberPosts: 758
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Re: Wide aperture - Pictures out of focus
In reply to Jizzy, 4 months ago

Jizzy wrote:

Hi,

Most of my pictures are out of focus when I shoot with a wide aperture with my 85mm 1.8 on a 70d.

I focused on the eye with single point AF.
Did I move too much? Or does the lens have front-/backfocus?

f1.8 1/2000 iso 100

thx for your help

First, I would do some testing on a tripod with a static object, and use AF micro-adjust if appropriate (or send for repair if there's a real problem). When shooting a live model handheld, it is possible for you/the subject to move slightly forward/backward in between AF lock and actual shutter release -- especially if you're in the habit of locking focus and then recomposing just a bit before release.

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