Sigma 120-300mm f/2.8 DG OS HSM Lens for Canon

Model #137101

Sigma Warranty - USA Version
Sigma 137101 1
Sigma 137101 1
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Filter thread Front: 105 mm
Weight Not Specified By Manufacturer
Dimensions (dxl) Approx. 4.78 x 11.46" (121.4 x 291 mm)


Aperture Maximum: f/2.8
Minimum: f/22
Maximum reproduction ratio 1:8.1
Minimum focus distance 59.06" (150 cm)
Groups/elements 18/23
Diaphragm blades 9
Format compatibility 35mm Film / Full-Frame Digital Sensor
DSLR (APS-C Sensor)
Focal length 120 - 300 mm
Camera mount type Canon EF
Angle of view 20.4° - 8.2°


Autofocus Yes
Tripod collar Yes
Image stabilization Yes
Expert Reviews
The digital picture.34755376
24 July 2013

The Sigma 120-300mm f/2.8 DG OS HSM Sports Lens is a physically beautiful lens that delivers also-beautiful image quality even with a wide open aperture. Remarkable is that this lens has the widest max aperture available in any 300mm lens (f/2.8), but still offers a significant 120-300mm zoom...

Photography life.34752476
30 August 2013

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.

10 September 2013

This 2.5x zoom lens sports a constant f/2.8 maximum aperture, silent focusing and optical stabilisation. It slots into Sigma's 'Sports' range of lenses and is especially interesting as the zoom range is similar to that of a 70-200mm lens with a 1.4x teleconverter fitted, whilst maintaining a fast...

Imaging resource.34355410
24 July 2013

The Sigma 120-300mm Æ’/2.8 DG OS HSM Sports lens is a fantastic piece of glass that features professional-level image quality, build quality and features at a price point that, at least at the time of this review, are not matched by any other competing lens manufacturer.

15 May 2013

Although the performance of this lens isn't of the same absolute brilliance of the Nikon and Canon fixed super-telephoto lenses, it isn't all that far behind. Add in the flexibility afforded by the zoom and it still makes a compelling alternative to the camera manufacturer's own fast telephoto...

  • +

    Good sharpness throughout the range, Low CA, Excellent build, Optical stabilisation, Fast focusing, Very good value for money

  • -

    Variable close focusing distance

User Reviews
15 August 2017

Monster size, weight and performance. for the cost of a used canon 300 2.8 prime in excellent shape I bought this instead. much more versatile. However its also heavier than the canon. I'm using this 95% for video on a C300 mk2 FWIW. The AF for video generally works very well.

Imaging resource.34355410
17 August 2014

required no "focus adjustment" out of its box on delivery on a D4s or D810, at least for me. I sold my Nikon 300/2.8 VR to purchase this dense chunk of optics. except for the added weight (near 0.4 lbs) this outperforms the prime due to its overall versatility. works well with the Sigma 1.4x TC.

  • +

    Sharp, Accurate

  • -

    Heavier then a Prime 300/2.8 but does more. lens foot mount needs a little rethink but adequate.

21 July 2017

This lens is sharp, even wide open. It's expensive, though it's a steal compared to other 300 f2.8s. Being a Nikon shooter, the zoom ring takes some getting used to (opposite direction to Nikon lenses). The AF speed is almost instantaneous.

17 November 2016

It does what I want it to do; shoot high school football games at night under the lights and be tight and bright. It costs! but cheaper than Canon or Nikon. some Tamarons are close. BIG LENS RESPECT!. when you walk on the field with this over your shoulder NO ONE asks for ID, assumed professional.

20 October 2016

My Miss Siggy...Love, Love, Love this lens. Nikon Sports shooter...swimming, track and soccer mainly. Very nice subject isolation at F2.8 especially in those dungeons that are otherwise known as swimming pools. Very sharp. I like it's versatility over the 300/2.8 prime with similar results.

12 October 2016

It's bit sharper @300mm F2.8 than Canon 300mm F4 L @F4. But at 300mm you would get similar reach about 280mm of Canon teles.

5 September 2016

This lens has largely taken the place of my Nikkor 70-200 F/2.8 VRI (version one). It's tempting to mark it down to 4 stars for its size and weight, but you have to be fair to this lens for the capabilities it delivers as a trade-off.

7 June 2016

Fantastic lens, it weighs in around 7 1/2 lbs. I guess you've heard it can't be hand held for long periods of time; well, like with everything else that's true if you believe it.

16 April 2016

Great lens. <br />More flexible than the Nikon 300mm f2.8 offering, and a good bit cheaper. <br /><br />One word of caution though - it is heavy.I didn't think this would be an issue, and it isn't generally. But if you use it all day long you do begin to notice it.

  • +

    Great Picture Quality

11 April 2016

Is it a perfect lens? I don't know but I don't think so. But if you factor in quality of imagine, the flexibility of the 120-300, and the price then I have to give it a 5 star. I have already used it on the soccer field in horrible lighting (or lack of lighting), on the softball and baseball fields...

Product Highlights
  • Aperture Range: f/2.8-22
  • Fast Constant Maximum Aperture
  • Optical Stabilizer
  • Hyper Sonic AF Motor
  • Dust- and Splash-Proof Construction
  • FLD and SLD Lens Elements
  • Super Multi-Layer Coating
  • Compatible with Sigma USB Dock
Average Expert Score
Average User Score
In The Box
  • Sigma 120-300mm f/2.8 DG OS HSM Lens for Canon
  • Lens Case
  • Lens Hood
  • Front Lens Cap
  • Rear Lens Cap
  • Shoulder Strap
  • Tripod Socket
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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