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Is Melville capable of fixing the D800 AF issues yet?

rplst8

Johnstown, US
150 posts

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"RE: Is Melville capable of fixing the D800 AF issues yet?"

rplst8 Silver Member Nikonian since 18th Dec 2008
Thu 25-Oct-12 02:22 AM | edited Thu 25-Oct-12 02:27 AM by rplst8

Some commentary...

Note: the photos are arranged left-most, center, right-most (from left to right) and then three trials of PDAF and one trial of LVAF (from top to bottom).

With no fine tune applied, everything looks about equal across the frame compared to one another. Sometimes it even nails it (maybe 1 out of 5 tries).

With +15 fine tune applied, the center becomes RAZOR, and I mean razor sharp. It nails focus 99 out of 100 times it seems to me and you could cut steel with the photos you take. However the left becomes very soft.

With a setting of +5 to +10 the center sharpens up from where it was at zero, and the left doesn't get too much worse - but the center is not as good as it is at +15.

So far I've only tested with the AF 50mm f/1.8 D. Taking all these shots and making sure one doesn't miss a frame or bump anything is tedious, and frankly I loathe it at this point. I will try to test with my 20mm f/2.8 and 85mm f/1.8 this weekend. That said, I'm not doubting my plastic fantastic. I stuck it on my D300 and repeated the tests and to my eye, it nails focus every time with no fine tune applied - matching the live view results. As I've said before, the D300 is really the only proper comparison because it has the same number of AF points, shares nearly the exact same AF frame coverage as the D800, and has about 85% of the vertical resolution of the D800 over the same physical area.

The D800 does still produce some of the most amazing shots I've ever seen. The dynamic range is nothing short of amazing. Maybe I'm just asking too much of this camera. But for $3000, I think it should be able to match or better my D300.

--
RL

Visit my Nikonians gallery and my Flickr page.

This is a hot, active topic! Is Melville capable of fixing the D800 AF issues yet? [View all] , pponzo99 Silver Member , Sat 13-Oct-12 11:29 PM
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