The Sigma 70-200mm f/2.8 DG OS HSM Sports lens is bigger and heavier than all of its main rivals, but we can forgive that because of the compelling mix of fantastic sharpness and image quality, great build quality, and outstanding feature set and performance.

Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma's Optical Stablization function, OS, our own anti-shake system which makes viewing a stabilized image in the viewfinder possible for Sony and Pentax users if chosen.

I buy Nikon lenses. I'm not a lens snob [yes I am] but I want hardware uniformity so that I can't blame the equipment when there's an issue. There's many small things that immediately stand out as negative to me about the Nikon mount version of this sigma lens. 1.

This lens is great, but more importantly, I received it 3 days before the official day, and I'm really happy! Thank you!

Absolutely love this one. I am not a professional photographer but I am not a total novice either (my first SLR was a nikon F8001 - so well over 25 years ago). I do own a few other f/2.8 zoom lenses (sigma included - two versions of the 24-70 (with the older one being much better btw) and this is by...

My second favorite lens for concert photography. I use the Sigma Art 50-100 mm lens 1.8 for very dark close venues and this lens works great if I am not able to get so close to the stage. With f2.8 it does well in the dark, changing light environment. Quick and sharp focus

This lens is good as Nikon 70-200

Perfect

Sharp and Fast

This is a great value-for-money lens. It feels great in the hand, but more importantly it focuses quickly and is very sharp.

Consistent Output; Easily Interchangeable; Quick Focus; Sharp Focus; Strong Construction

None

Mount: Canon, Nikon, Pentax, Sigma, Sony A Format: Full frame Construction: 22 elements in 17 groups, nine diaphragm blades Closest focus distance: 140cm Filter size: 77mm Autofocus: ultrasonic (ring) Dimensions: 86 x 198mm, 1,430g Tested on: Nikon D7100 Compared with the equivalent Canon and Nikon...

Even though there's a slight drop in sharpness at 200mm, the Sigma delivers excellent overall image quality, making it exceptional value at the price.

Value for money; Overall performance; Dual-mode image stabilizer

Slight loss of sharpness at full zoom; f/2.8 maximum aperture makes it big and heavy