Sigma 120-300mm f/2.8 DG OS HSM Review

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This is an in-depth review of the Sigma 120-300mm f/2.8 DG OS HSM Sport, a high-end super telephoto lens with a versatile zoom range and a wide constant aperture of f/2.8, designed for wildlife, sports and portrait photographers. This is the third iteration of the lens. Its predecessor, the Sigma 120-300mm f/2.8 EX DG OS APO HSM was released back in 2005 with identical optical design. What has changed, is the exterior make and appearance of the lens (along with the tripod collar and tripod foot), the new rigorous quality control that Sigma has implemented on its new lines of high quality lenses, and the ability to attach a USB dock for fine tuning the autofocus operation of the lens. In this review, I will go over the technical specifications of the lens, talk about its optical features and performance with and without teleconverters, and compare it to other super telephoto lenses like Nikon 200-400mm f/4G VR and Nikon 300mm f/2.8G VR II.

Sigma 120-300mm f/2.8 DG OS HSM

The Sigma 120-300mm f/2.8 is a very interesting lens, not only because of its versatile zoom range that is not found on any other lens on the market, but also because of its large constant aperture of f/2.8. To date, no other manufacturer has produced a comparable lens. Nikon has a 200-400mm f/4 constant aperture superzoom in its arsenal that costs $6,800 USD, while Canon offers a 200-400mm f/4 lens with a 1.4x built-in teleconverter, at a much heftier price of $11,800. Both offer more reach, but sacrifice 1 full stop of light. And once you compare them to the Sigma 120-300mm f/2.8, which becomes a 168-420mm f/4 lens with a 1.4x teleconverter, you will see why it becomes such an attractive choice for many, especially with its current market price of $3,600.

Sigma 120-300mm f/2.8 DG OS HSM Sample (6)

1) Lens Specifications

Main Features:

  1. Large aperture with great zoom range
  2. Includes technology such as a HSM & OS
  3. Accessories include: Lens Hood (LH1220-01) & Carrying Case.

Sigma 120-300mm f/2.8 DG OS HSM Sample (7)

Technical Specifications:

  1. Mounts: Sigma, Nikon, Canon
  2. Focal Length: 120-300mm
  3. Maximum Aperture: f/2.8
  4. Minimum Aperture f/22
  5. Maximum Angle of View: 20.4° – 8.2°
  6. Maximum Reproduction Ratio: 1:8.1
  7. Lens Elements: 23
  8. Lens Groups: 18
  9. Image Stabilization: Yes
  10. Diaphragm Blades: 9
  11. Distance Information: Yes
  12. FLD Glass Elements: 2
  13. SLD Glass Elements: 1
  14. Autofocus: Yes
  15. HSM (Hyper Sonic Motor): Yes
  16. Internal Focusing: Yes
  17. Minimum Focus Distance: 1.50m
  18. Focus Mode: Auto, Manual
  19. Filter Size: 105mm
  20. Accepts Filter Type: Screw-on
  21. Dimensions (Approx.): 124 x 291mm
  22. Weight (Approx.): 3.39 kg
  23. Supplied Accessories: Lens Hood (LH1220-01) & Carrying Case

Sigma 120-300mm f/2.8 DG OS HSM Sample (2)

Detailed specifications for the lens, along with an MTF chart and other useful data can be found in our lens database.

Sigma 120-300mm f/2.8 DG OS HSM Review3.9Nasim Mansurov2013-09-08 04:08:56Read this in-depth review of the Sigma 120-300mm f/2.8 DG OS HSM constant aperture lens with detailed information, specifications, image samples and comparisons to other telephoto lenses
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is a professional photographer based out of Denver, Colorado. He is the author and founder of Photography Life, along with a number of other online resources. Read more about Nasim here.