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Sigma 500mm F4.5 EX DG HSM Pentax KAF Review
Sigma 500mm F4.5 EX DG HSM

Main Features

  • 500mm Focal Range
  • F4.5 Max Aperture
  • Filter Thread: 46mm
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 3150g.
  • Diameter: 123mm
  • Length: 350mm
  • Min Focus Distance:4m
  • Max Magnification:0.13x
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Sigma 500mm F4.5 EX DG HSM Overview
Sigma 500mm F4.5 EX DG HSM is an Auto Focus (AF) Telephoto Prime lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF mount cameras.

Lens Mount

Sigma 500mm F4.5 EX DG HSM is compatible with cameras that have Pentax KAF lens mount.Some of the latest released cameras with Pentax KAF lens mount are Pentax K-3 III, Pentax K-1 II and Pentax KP.

Sensor Coverage

Max sensor coverage of Sigma 500mm F4.5 EX DG HSM is 35mm FF.

Focal Range

Sigma 500mm F4.5 EX DG HSM has a fixed focal lenght of 500mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 500mm.

Aperture

Sigma 500mm F4.5 EX DG HSM has a max aperture of F4.5 and a minimum aperture of F32.0.
Pros and Cons of Sigma 500mm F4.5 EX DG HSM

PROs
Built-in Autofocus
Hood supplied
Full-time Manual Focusing
Covers Full-Frame Sensor

CONs
Slow Aperture for a Prime Lens
Heavy
Pricey
Sigma 500mm F4.5 EX DG HSM Detailed Specifications

General
Brand Sigma
Lens Type Prime
Lens Type Telephoto Prime
Lens Mount Pentax KAF
Max Format 35mm FF
Focal Range 500mm
Image Stabilization No
Colour Unknown
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F4.5
Min Aperture F32.0
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 11
Optical Groups 8
Special Elements 2 ELD glass elements

FOCUSING
Min Focus Distance 4m
Max Magnification 0.13X
Autofocus Yes
AF Motor Type Ring-type ultrasonic
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 3150g
Diameter 123mm
Length 350mm
Weather Sealing Unknown
Filter Thread 46mm
Filter Notes 46mm drop-in filters
Hood Supplied Yes
Tripod Collar No
Sigma 500mm F4.5 EX DG HSM Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
Pentax HD DA 560mm F5.6 ED AW Lens Pentax HD DA 560mm F5.6 ED AW
Compare
APS-C / DX 3040gr AF Amazon B&H Photo
Frequently Asked Questions about Sigma 500mm F4.5 EX DG HSM
is the Sigma 500mm F4.5 EX DG HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 500mm F4.5 EX DG HSM
is the Sigma 500mm F4.5 EX DG HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 500mm F4.5 EX DG HSM
Does Sigma 500mm F4.5 EX DG HSM have Image Stabilization?
Does Sigma 500mm F4.5 EX DG HSM have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 500mm F4.5 EX DG HSM
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