I think that the choice is pretty hard. Those, who hate compromises, will buy the Nikkor. For those who count every penny, the Sigma will be a better investment. Both lenses have great and similar capabilities, so either choice will be accurate and customer satisfaction in both cases is definitely...

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  perfect picture quality in the center of the frame, very good picture quality at the edges of the frame from the 80 mm to 135 mm focal length range, small chromatic aberration, perfectly controlled coma, almost completely absent distortion, small vignetting, great performance against bright light,...

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  slightly less sharp at maximum aperture, visible astigmatism

I use it a D-810. It is one of the best lens I own. Truly a professional product. It focuses quickly and accurately.Be aware that this is a heavy lens, but it is built like a tank. It has a metal casing, and I don't mind the extra weight at all

Paired this with my D7000 and after a little bit of af fine tuning it shoots great. Absolutely love this lens. Produces better color rendition than the 70-200 f2.8 VR2. Fast af even with a screw drive.

Very well built lens (tank) but a little soft wide open. If not for the softness at 2.8 I would rate this as a five-star item. Focus has to be sharpened in camera as well to be able to obtain tack sharpness.

This is the s***! I've had a Canon EF 80-200/2.8L and a Sigma EX 70-200/2.8 HSM previous to this lens and it kicks the other lenses butts. Hard. It's sharp, it's fast and it's built like a Abrams M1 tank. What more could you ask for? The A/M-ring is made of plastic and is easy to break.

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  Sharp, fast, color rendering (is that the correct expression?)

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  Plastic A/M-ring.

Crazy fast, big, heavy lens that is AWESOME.

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  Crazy fast, sharp, solid

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  Quite heavy, no VR, expensive

Good price for an excellent craftsmanship

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  Not as heavy as expected, Good Bokeh

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  Need To Use A Monopod

Glass is very clear and there isn't any dust or fungus inside my lens. I'm VERY happy with this purchase.

I haven't used it much yet. Love it and it feels great in my hands but think perhaps too heavy to use without a tripod

Fantastic lens. Bought it used, came in great shape, no issues. I love the bohek this camera creates and it is so beautifully sharp at f/4. I've had it now for about two weeks while I've been on vacation in Colorado, I haven't taken it off my D500 yet and I don't think it will for a while...

Great lens. If you have a camera that can autofocus with this lens (i.e. upper end Nikons) and don't care about VR, this lens is a fantastic option to the 5X more expensive 70-200 VR II.