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Sigma 10-20mm F4-5.6 EX DC HSM Four Thirds Review
Sigma 10-20mm F4-5.6 EX DC HSM

Main Features

  • 10-20mm Focal Range
  • F4.0 - F5.6 Max Aperture
  • Filter Thread: 77mm
  • Max Format: APS-C / DX
  • Four Thirds Mount
  • Weight: 470g.
  • Diameter: 84mm
  • Length: 81mm
  • Min Focus Distance:0.24m
  • Max Magnification:0.15x
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Sigma 10-20mm F4-5.6 EX DC HSM Overview
Sigma 10-20mm F4-5.6 EX DC HSM is an Auto Focus (AF) Wideangle Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Four Thirds mount cameras.

Lens Mount

Sigma 10-20mm F4-5.6 EX DC HSM is compatible with cameras that have Four Thirds lens mount.Some of the latest released cameras with Four Thirds lens mount are , and .

Sensor Coverage

Max sensor coverage of Sigma 10-20mm F4-5.6 EX DC HSM is APS-C / DX.

Focal Range

Sigma 10-20mm F4-5.6 EX DC HSM has a focal range of 10-20mm and 2.0X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 15 - 30mm.

Body Colour

Black

Zoom Method

Rotary (extending)

Aperture

Sigma 10-20mm F4-5.6 EX DC HSM has a max aperture of f4 at 10mm and max aperture of f5.6 at 20mm .
Pros and Cons of Sigma 10-20mm F4-5.6 EX DC HSM

PROs
Built-in Autofocus
Hood supplied
Full-time Manual Focusing

CONs
Lens Extents while focusing
Slow Aperture at Wide end
Slow Aperture at Tele end
Variable Aperture
Sigma 10-20mm F4-5.6 EX DC HSM Detailed Specifications

General
Brand Sigma
Lens Type Zoom
Lens Type Wideangle Zoom
Lens Mount Four Thirds
Max Format APS-C / DX
Focal Range 10-20mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 2.0X
APERTURE
Max Aperture F4.0 - F5.6
Min Aperture F22.0 - F32.0
Aperture Ring No
Diaphragm Blades 6
Optics
Optical Elements 14
Optical Groups 10
Special Elements 3 SLD glass elements 2 hybrid aspherical elements 1 glass mold aspherical element

FOCUSING
Min Focus Distance 0.24m
Max Magnification 0.15X
Autofocus Yes
AF Motor Type Ring-type ultrasonic
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 470g
Diameter 84mm
Length 81mm
Materials metal mount
Weather Sealing Unknown
Filter Thread 77mm
Filter Notes does not rotate on focus
Hood Supplied Yes
Tripod Collar No
Sigma 10-20mm F4-5.6 EX DC HSM Alternatives in Four Thirds Mount
Model Coverage Weight Focusing Street Price
Olympus Zuiko Digital 11-22mm f2.8-3.5 Lens Olympus Zuiko Digital 11-22mm f2.8-3.5
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FourThirds 485gr AF Amazon B&H Photo
Olympus Zuiko Digital ED 9-18mm f4.0-5.6 Lens Olympus Zuiko Digital ED 9-18mm f4.0-5.6
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FourThirds 280gr AF Amazon B&H Photo
Frequently Asked Questions about Sigma 10-20mm F4-5.6 EX DC HSM
is the Sigma 10-20mm F4-5.6 EX DC HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 10-20mm F4-5.6 EX DC HSM
is the Sigma 10-20mm F4-5.6 EX DC HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 10-20mm F4-5.6 EX DC HSM
Does Sigma 10-20mm F4-5.6 EX DC HSM have Image Stabilization?
Does Sigma 10-20mm F4-5.6 EX DC HSM have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 10-20mm F4-5.6 EX DC HSM
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