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Sigma 28mm F1.8 EX DG Aspherical Macro Pentax KAF Review

Main Features

  • 28mm Focal Range
  • F1.8 Max Aperture
  • Filter Thread: 77mm
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 500g.
  • Diameter: 84mm
  • Length: 83mm
  • Min Focus Distance:0.2m

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Sigma 24mm F1.8 EX DG Overview
Sigma 24mm F1.8 EX DG is an Auto Focus (AF) Wideangle Prime 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 28mm. Providing a max aperture of f1.8 at 28mm, this lens is very fast.
Sigma 24mm F1.8 EX DG is not a weather sealed lens, so you have to be extra careful against rain and dust.

Pros and Cons of Sigma 28mm F1.8 EX DG Aspherical Macro

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

CONs

We couldn't find any significant Cons for Sigma 28mm F1.8 EX DG Aspherical Macro

Sigma 24mm F1.8 EX DG Detailed Specifications

General
Brand Sigma
Lens Type Prime
Lens Type Wideangle Prime
Lens Mount Pentax KAF
Max_Format 35mm FF
Focal Range 28mm
Image Stabilization No
Colour Black
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F1.8
Min Aperture F22.0
Aperture Ring Yes
Diaphragm Blades 9
Optics
Optical Elements 10
Optical Groups 9
Special Elements 2 aspherical elements

FOCUSING
Min Focus Distance 0.2m
Max Magnification unknown
Autofocus Yes
AF Motor Type Micromotor
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 500g
Diameter 84mm
Length 83mm
Weather Sealing Unknown
Filter Thread 77mm
Filter Notes -
Hood Supplied Yes
Hood Code petal type hood
Tripod Collar No
Sigma 28mm F1.8 EX DG Aspherical Macro Alternatives in Pentax KAF Mount
Model Focal Length Max Aperture Weight Focusing
Pentax smc FA 31mm F1.8 AL Limited 31mm F1.8 345gr AF
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Venus Laowa 25mm F2.8 2.5-5X Ultra Macro 25mm F2.8 400gr MF
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Samyang 24mm f1.4 ED AS UMC 24mm F1.4 580gr MF
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Samyang T-S 24mm f3.5 ED AS UMC 24mm F3.5 680gr MF
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Schneider PC-Super-Angulon 28mm f2.8 28mm F2.8 565gr MF
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Carl Zeiss Distagon T 2,825 25mm F2.8 480gr MF
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Carl Zeiss Distagon T 228 28mm F2.0 520gr MF
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Sigma 24mm F1.8 EX DG Aspherical Macro 24mm F1.8 485gr AF
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Rokinon 24mm f1.4 Aspherical 24mm F1.4 580gr MF
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Sigma 30mm F1.4 EX DC HSM 30mm F1.4 430gr AF
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Other Frequently Asked Questions about Sigma 28mm F1.8 EX DG Aspherical Macro
is the Sigma 28mm F1.8 EX DG Aspherical Macro a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 28mm F1.8 EX DG Aspherical Macro
is the Sigma 28mm F1.8 EX DG Aspherical Macro an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 28mm F1.8 EX DG Aspherical Macro
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