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Sigma 70-200mm F2.8 EX DG OS HSM Pentax KAF3 Review
Sigma 70-200mm F2.8 EX DG OS HSM

Main Features

  • 70-200mm Focal Range
  • F2.8 Max Aperture
  • Image Stabilization
  • Filter Thread: 77mm
  • Max Format: 35mm FF
  • Pentax KAF3 Mount
  • Weight: 1430g.
  • Diameter: 86mm
  • Length: 197mm
  • Min Focus Distance:1.4m
  • Max Magnification:0.13x
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Sigma 70-200mm F2.8 EX DG OS HSM Overview
Sigma 70-200mm F2.8 EX DG OS HSM is an Auto Focus (AF) Telephoto Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.

Lens Mount

Sigma 70-200mm F2.8 EX DG OS HSM is compatible with cameras that have Pentax KAF3 lens mount.Some of the latest released cameras with Pentax KAF3 lens mount are Pentax K-1 II, Pentax KP and Pentax K-70.

Sensor Coverage

Max sensor coverage of Sigma 70-200mm F2.8 EX DG OS HSM is 35mm FF.

Focal Range

Sigma 70-200mm F2.8 EX DG OS HSM has a focal range of 70-200mm and 2.9X zoom ratio.

Optical Image Stabilization

Sigma 70-200mm F2.8 EX DG OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.

Body Colour

Black

Zoom Method

Rotary (internal)

Aperture

Sigma 70-200mm F2.8 EX DG OS HSM has a constant max aperture of f2.8 from 70mm all the way to the 200mm .
Pros and Cons of Sigma 70-200mm F2.8 EX DG OS HSM

PROs
Image Stabilization
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
No Weather Sealing
Heavy
Sigma 70-200mm F2.8 EX DG OS HSM Detailed Specifications

General
Brand Sigma
Lens Type Zoom
Lens Type Telephoto Zoom
Lens Mount Pentax KAF3
Max Format 35mm FF
Focal Range 70-200mm
Image Stabilization Yes
Colour Black
Zoom Method Rotary (internal)
Power Zoom No Zoom
Zoom Lock No
Zoom Ratio 2.9X
APERTURE
Max Aperture F2.8
Min Aperture F22.0
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 22
Optical Groups 17
Special Elements 2 FLD elements 3 SLD elements

FOCUSING
Min Focus Distance 1.4m
Max Magnification 0.13X
Autofocus Yes
AF Motor Type Ring-type ultrasonic
Full Time Manual Yes
Focus Method Internal
Focus Distance Limiter No
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 1430g
Diameter 86mm
Length 197mm
Materials metal mount
Weather Sealing No
Filter Thread 77mm
Filter Notes does not rotate on focus
Hood Supplied Yes
Tripod Collar Yes
Sigma 70-200mm F2.8 EX DG OS HSM Alternatives in Pentax KAF3 Mount
Model Coverage Weight Focusing Street Price
Pentax FA 70-210mm F4 ED SDM WR Lens Pentax FA 70-210mm F4 ED SDM WR
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APS-C / DX 819gr AF Amazon B&H Photo
Pentax D FA 70-200mm F2.8ED DC AW Lens Pentax D FA 70-200mm F2.8ED DC AW
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35mm FF 1755gr AF Amazon B&H Photo
Sigma 70-200mm F2.8 EX DG Macro HSM II Lens Sigma 70-200mm F2.8 EX DG Macro HSM II
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35mm FF 1390gr AF Amazon B&H Photo
Tamron SP AF 70-200mm F2.8 Di LD IF MACRO Lens Tamron SP AF 70-200mm F2.8 Di LD IF MACRO
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35mm FF 1330gr AF Amazon B&H Photo
Frequently Asked Questions about Sigma 70-200mm F2.8 EX DG OS HSM
is the Sigma 70-200mm F2.8 EX DG OS HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 70-200mm F2.8 EX DG OS HSM
is the Sigma 70-200mm F2.8 EX DG OS HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 70-200mm F2.8 EX DG OS HSM
Does Sigma 70-200mm F2.8 EX DG OS HSM have Image Stabilization?
Does Sigma 70-200mm F2.8 EX DG OS HSM have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 70-200mm F2.8 EX DG OS HSM
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