This was shot in AP at 16mm F10 1/500sec and I thought I got it all in focus but looking at it closer it looks like the left side is less in focus than the right? Seems like F10 is not quite enough to shoot a landscape.
I don't quite remember what I was specifically focusing at unfortunately...
Your autofocus point may be in your metadata and show in your editing software.
IN the future you might want to try using the hyperfocal distance when your using 16mm, on my 8mm I use f8 and focus at 3 meters, every thing is in focus, should work at 16 too, have to get a depth of field calculator for my cell phone or I'd do the lookup for you, Bob.
The shot looks pretty good to me. I hope you were using a tripod.
At small apertures many lenses show diffraction but the loss of sharpness will only be visible at high image magnification.
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