Ok well funny the discussion about 2/3rds, so today the post office helped me make it to 2/3rds. Whew!
On the D7000....
On the D800....
The sharpness and contrast is amazing even when looking at the images on the LCD screen, but I've only done test shooting so far this evening.
I did some testing of the autofocus as soon as I put the lens on the two cameras. And noticed a problem. On the D7000 the focus is always fine, even wide open. It finds a face perfectly and gets the eyes usually in very good focus. On the D800, however, any aperture above 2.8 has a focus problem whereby the focus is just in front of the subject, just by a small amount but sometimes then because of the shallow depth of field the subject just isn't in focus. I tried AF-C, AF-S, and many variations of different focus modes and could not seem to get around the problem. At f/2.8 or higher, the focus is perfectly ok, absolutely no problems. I found online discussion of this issue with the 85 1.4 in terms of the wider apertures in combination with the large sensor of the D800. But it is not really what I would have expected in terms of performance from this combination. AF fine tune? I read that it didn't help. One guy had sent his D800 to Nikon three times and it still wasn't solved. This is not the left focus issue, either. So I'm a bit bummed out about this because what is the point of getting a fast short tele lens and can't even use it wide open?
I tried also DX mode on the D800 and there's no difference. I can get a perfect image at f/2.8 and then go to f/2.5 and boom, out of focus. There's such a sharp difference between f/2.8 and f/2.5 or less. And it isn't even like on occasion it is out of focus. It is ALWAYs out of focus for apertures less than f/2.8.
On the postive side, I'm impressed with the build of the lens. There is even a weather seal around the back of the lens where it makes contact to the camera body (!).
Anyone else with this issue on their 85 1.4? I even read online that there had been reports of the same thing happening with the 50 1.4 but my 50 1.4 has been perfect with this camera.
Tried AF Fine tune from -20 to +20 with no difference.
On the D7000....
On the D800....
The sharpness and contrast is amazing even when looking at the images on the LCD screen, but I've only done test shooting so far this evening.
I did some testing of the autofocus as soon as I put the lens on the two cameras. And noticed a problem. On the D7000 the focus is always fine, even wide open. It finds a face perfectly and gets the eyes usually in very good focus. On the D800, however, any aperture above 2.8 has a focus problem whereby the focus is just in front of the subject, just by a small amount but sometimes then because of the shallow depth of field the subject just isn't in focus. I tried AF-C, AF-S, and many variations of different focus modes and could not seem to get around the problem. At f/2.8 or higher, the focus is perfectly ok, absolutely no problems. I found online discussion of this issue with the 85 1.4 in terms of the wider apertures in combination with the large sensor of the D800. But it is not really what I would have expected in terms of performance from this combination. AF fine tune? I read that it didn't help. One guy had sent his D800 to Nikon three times and it still wasn't solved. This is not the left focus issue, either. So I'm a bit bummed out about this because what is the point of getting a fast short tele lens and can't even use it wide open?
I tried also DX mode on the D800 and there's no difference. I can get a perfect image at f/2.8 and then go to f/2.5 and boom, out of focus. There's such a sharp difference between f/2.8 and f/2.5 or less. And it isn't even like on occasion it is out of focus. It is ALWAYs out of focus for apertures less than f/2.8.
On the postive side, I'm impressed with the build of the lens. There is even a weather seal around the back of the lens where it makes contact to the camera body (!).
Anyone else with this issue on their 85 1.4? I even read online that there had been reports of the same thing happening with the 50 1.4 but my 50 1.4 has been perfect with this camera.
Tried AF Fine tune from -20 to +20 with no difference.
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