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Sigma 120-300mm F2.8 EX DG OS HSM Canon EF Review

Main Features

  • 120-300mm Focal Range
  • F2.8 Max Aperture
  • Image Stabilization
  • Weather Sealed
  • Filter Thread: 105mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 2950g.
  • Diameter: 114mm
  • Length: 289mm
  • Min Focus Distance:2.5m
  • Max Magnification:0.13x

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Sigma 120-300mm F2.8 EX DG OS HSM Overview
Sigma 120-300mm F2.8 EX DG OS HSM is an Auto Focus (AF) Telephoto Zoom lens with 35mm FF max sensor coverage. When mounted on a 35mm FF sensor camera, it will give you an FF equivalent focal range of 120 - 300mm. With a max aperture of f2.8, this lens is fast on wide end and equally fast at 300mm with a max aperture of f2.8.
This lens features on optical image stabilization which helps capturing sharper images at lower shutter speeds. Sigma 120-300mm F2.8 EX DG OS HSM is weather sealed which makes it an ideal lens for outdoor use, especially when coupled with a weather sealed camera body.

Pros and Cons of Sigma 120-300mm F2.8 EX DG OS HSM

PROs
Image Stabilization
Weather Sealed
Built-in Autofocus
Hood supplied
Tripod Collar
Full-time Manual Focusing
Internal Focusing
Fast and Bright at Wide end
Fast and Bright at Tele end
Constant f2.8 Aperture throughout the range
Covers Full-Frame Sensor

CONs
Heavy
Pricey
Sigma 120-300mm F2.8 EX DG OS HSM Detailed Specifications

General
Brand Sigma
Lens Type Zoom
Lens Type Telephoto Zoom
Lens Mount Canon EF
Max_Format 35mm FF
Focal Range 120-300mm
Image Stabilization Yes
Colour Unknown
Zoom Method Rotary (internal)
Power Zoom No
Zoom Lock No
Zoom Ratio 1.0X
APERTURE
Max Aperture F2.8
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 23
Optical Groups 18
Special Elements 2 FLD elements 1 SLD element

FOCUSING
Min Focus Distance 2.5m
Max Magnification 0.13X
Autofocus Yes
AF Motor Type Ring-type ultrasonic
Full Time Manual Yes
Focus Method Internal
PHYSICAL SPECS
Weight 2950g
Diameter 114mm
Length 289mm
Weather Sealing Yes
Filter Thread 105mm
Filter Notes -
Hood Supplied Yes
Tripod Collar Yes
Sigma 120-300mm F2.8 EX DG OS HSM Alternatives in Canon EF Mount
Model Focal Length Max Aperture Weight Focusing
Canon EF 100-300mm f4.5-5.6 USM 100-300mm F4.5 - F5.6 540gr AF
Compare with Sigma 120-300mm F2.8 EX DG OS HSM
Sigma 120-300mm F2.8 DG OS HSM 120-300mm F2.8 2950gr AF
Compare with Sigma 120-300mm F2.8 EX DG OS HSM
Sigma 120-300mm F2.8 EX DG HSM 120-300mm F2.8 2600gr AF
Compare with Sigma 120-300mm F2.8 EX DG OS HSM
Other Frequently Asked Questions about Sigma 120-300mm F2.8 EX DG OS HSM
is the Sigma 120-300mm F2.8 EX DG OS HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 120-300mm F2.8 EX DG OS HSM
is the Sigma 120-300mm F2.8 EX DG OS HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 120-300mm F2.8 EX DG OS HSM
What is the Maximum Magnification Ratio of Sigma 120-300mm F2.8 EX DG OS HSM
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