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I think I've been snookered, Melville didn't fix it.

rplst8

Johnstown, US
150 posts

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rplst8 Silver Member Nikonian since 18th Dec 2008
Fri 10-Aug-12 01:16 PM | edited Fri 10-Aug-12 01:16 PM by rplst8

So I got my camera back last week and I've been snapping pictures all over the place. As I noted in one of my other posts, I had to fine tune my center focus point to +10 or so to get good results. Even after taking some really impressive exposures, I still noticed some inconsistencies. After reading here, I decided to test the camera with Reikan FoCal.

FoCal tells me that the proper AF fine tune adjustment for the center point on my 50mm f/1.8 is +20. So upon setting that, I took more exposures and compared them. Again, the left was soft. Irritated, I used Focal to tune to the left-most sensor. Focal said it should be -4. Visually, I agree with FoCal give or take a few AF fine tune steps. But in the end, there is a 20 step difference between left and center. The right side nearly agrees with center, but differs by a few steps.

If I set the AF fine tune value somewhere in the middle, I get mostly acceptable results in the real world, and even from boring test targets. In fact, my previous posts were taken that way and fooled me into thinking it was a 100% fix, when in reality I was just softening the center and sharpening the left to make them about the same. I also made a grevious mistake by forgetting to turn off in camera sharpening on the one example which I was using for testing LV focus with manual lenses.

I'm not sure what to do at this point. I have a small trip coming up in the middle of September and another big one the first week of October and I would think I would get my camera back by then.

Am I being to picky?

I can take good pictures with it as is (shot at f/4 for the record):



My main concern is when shooting wide open. Sure not much is in focus with such a shallow DoF, but what I put under the target, I *want* in focus.

--
RL

Visit my Nikonians gallery and my Flickr page.

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