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120-300mm F2.8 DG OS HSM | Sports

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Durable high performance, redesigned with the photographer in mind. Superior performance redesigned to meet photographers needs. A broader world of photography. A deeper level of expression. Thanks to the high-performance telephoto zoom that feels right in every situation.

A professional 300mm F2.8 telephoto with powerful zoom capability, this lens allows complete customization, so you can tackle tough situations with ease. Offering excellent image expression and a low F-number, the large-aperture 300mm F2.8 lens is a favourite piece of equipment among professional photographers. With the idea of taking this spec to the next level with powerful zoom capability, SIGMA developed the 120-300mm F2.8 zoom lens. It is difficult to compose shots with traditional 300mm lenses. In the case of sporting events, performances on stage and other situations in which it is difficult to change your position, you often lose the desired shot in the process of changing lenses. A large-aperture 120-300mm F2.8 zoom lens, however, eliminates the need for most lens changes, allowing the photographer to adjust zoom and easily achieve the desired framing. Even in the most difficult of situations, this lens truly empowers photographic expression.


Lens Construction
23 elements in 18 groups
Angle of View
20.4° - 8.2°
Diaphragm Blades
9 (Rounded diaphragm)
Minimum Aperture
Minimum Focusing Distance
150cm - 250cm / 59.1in. - 98.4in.
Maximum Magnification Ratio
1:8.1 (200mm)
Filter Size
Dimensions (Diameter x Length)
φ121.4mm × 291mm / φ4.8in. × 11.5in.
*The length of a lens is measured from the filter surface to its mount.
3,390g / 119.6oz.
Supplied Accessories
Case, Hood (LH1220-01), shoulder strap and tripod socket (TS-51) supplied.
Corresponding AF Mounts / Barcode No.
Nikon F Mount
Canon EF Mount

Lens Construction

Diffraction MTF

7 Year Canadian Warranty

All SIGMA lenses purchased from authorized Canadian retailers are backed by a seven year Canadian warranty. Our factory trained technicians perform most repairs on-site at our facility in Markham, Ontario.

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