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Sigma 70mm F2.8 EX DG Macro Pentax KAF Review

Sigma 70mm F2.8 EX DG Macro

Main Features

  • 70mm Focal Range
  • F2.8 Max Aperture
  • Max Format: 35mm FF
  • Pentax KAF Mount
  • Weight: 527g.
  • Diameter: 76mm
  • Length: 95mm
  • Min Focus Distance:0.25m
  • Max Magnification:1x
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Sigma 70mm F2.8 EX DG Macro Overview

Sigma 70mm F2.8 EX DG Macro is a Fixed aperture Auto Focus (AF) Macro Prime lens with 35mm FF max sensor coverage, and it is designed to be used with Pentax KAF mount cameras.

What type of photography is the Sigma 70mm F2.8 EX DG Macro lens good for?

The type of photography that you are planning to use the Sigma 70mm F2.8 EX DG Macro is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifeFair
SportsFair
PortraitGood
TravelAverage
StreetGood
WeddingGood
Walk AroundAverage
VloggingAverage
LandscapeGood
MacroVery Good

Reasons to Buy Sigma 70mm F2.8 EX DG Macro Lens

Here, we've included a summary of the advantages and disadvantages of the Sigma 70mm F2.8 EX DG Macro lens in a list form to help you determine whether it offers the features you need.

PROs
Autofocus
Aperture Ring
Distance Scale
DoF(Depth of Field) Scale
Hood supplied
Focus Distance Limiter
Covers Full-Frame Sensor
9 Diaphragm Blades
High Max Magnification ratio of 1x
Minimum focus distance of 0.25m / 9.8 inch
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Buy Sigma 70mm F2.8 EX DG Macro from Amazon or B&H PHOTO


CONs

We couldn't find any significant Cons for Sigma 70mm F2.8 EX DG Macro


Lens Mount

Sigma 70mm F2.8 EX DG Macro is compatible with cameras that have Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax KF, Pentax K-3 III and Pentax K-1 II.

Sigma 70mm F2.8 EX DG Macro is also available in Canon EF , Nikon F (FX), Sony Alpha and Sigma SA mounts.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Sigma 70mm F2.8 EX DG Macro has a maximum diameter of 76mm and total length of 95mm. It weighs 527g / 18.6 oz.

Focal Range

Sigma 70mm F2.8 EX DG Macro has a fixed focal lenght of 70mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 105mm.

Optical Image Stabilization

Sigma 70mm F2.8 EX DG Macro doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Maximum Magnification Ratio

Sigma 70mm F2.8 EX DG Macro has a Max Magnification Ratio of 1x and has a minimum focusing distance of 0.25m.

Aperture

Sigma 70mm F2.8 EX DG Macro has a max aperture of F2.8 and a minimum aperture of F22.0.

Optical Formula

Sigma 70mm F2.8 EX DG Macro's optical formula consists of 10 elements in 9 groups . Special elements used in this design is 3 SLD glass elements.

Lens Hood

Sigma 70mm F2.8 EX DG Macro comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is LH620-01.

Popular Comparisons of Sigma 70mm F2.8 EX DG Macro

Here is the eight most popular comparisons of Sigma 70mm F2.8 EX DG Macro amongst Camera Decision readers.

Top Alternatives of Sigma 70mm F2.8 EX DG Macro Lens
Model Coverage Weight Focusing Street Price
Pentax smc DA 70mm F2.4 AL Limited Lens Pentax smc DA 70mm F2.4 AL Limited
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APS-C / DX 130gr AF Amazon B&H Photo
HD Pentax DA 70mm F2.4 AL Limited Lens HD Pentax DA 70mm F2.4 AL Limited
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APS-C / DX 147gr AF Amazon B&H Photo
Pentax smc FA 77mm 1.8 Limited Lens Pentax smc FA 77mm 1.8 Limited
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35mm FF 270gr AF Amazon B&H Photo
Voigtlander 58mm F1.4 Nokton SL II Lens Voigtlander 58mm F1.4 Nokton SL II
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35mm FF 320gr MF Amazon B&H Photo
Hartblei Superrotator 80mm F2.8 IF TS Lens Hartblei Superrotator 80mm F2.8 IF TS
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35mm FF 850gr MF Amazon B&H Photo
HD Pentax-FA 77mm F1.8 Limited Lens HD Pentax-FA 77mm F1.8 Limited
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35mm FF 270gr 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
Sigma 85mm F1.4 EX DG HSM Lens Sigma 85mm F1.4 EX DG HSM
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35mm FF 725gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Sigma 70mm F2.8 EX DG Macro Alternatives in Pentax KAF Mount
Model Coverage Weight Focusing Street Price
HD Pentax-FA 77mm F1.8 Limited Lens HD Pentax-FA 77mm F1.8 Limited
Compare
35mm FF 270gr AF Amazon B&H Photo
HD Pentax DA 70mm F2.4 AL Limited Lens HD Pentax DA 70mm F2.4 AL Limited
Compare
APS-C / DX 147gr AF Amazon B&H Photo
Pentax smc DA 70mm F2.4 AL Limited Lens Pentax smc DA 70mm F2.4 AL Limited
Compare
APS-C / DX 130gr AF Amazon B&H Photo
Pentax smc FA 77mm 1.8 Limited Lens Pentax smc FA 77mm 1.8 Limited
Compare
35mm FF 270gr AF Amazon B&H Photo
Voigtlander 58mm F1.4 Nokton SL II Lens Voigtlander 58mm F1.4 Nokton SL II
Compare
35mm FF 320gr MF Amazon B&H Photo
Lensbaby Velvet 56 Lens Lensbaby Velvet 56
Compare
35mm FF 400gr MF Amazon B&H Photo
Hartblei Superrotator 80mm F2.8 IF TS Lens Hartblei Superrotator 80mm F2.8 IF TS
Compare
35mm FF 850gr MF Amazon B&H Photo

Sigma 70mm F2.8 EX DG Macro Detailed Specifications


General
Brand Sigma
Lens Type Prime
Lens Type Macro Prime
Lens Mount Pentax KAF
Max Format 35mm FF
Focal Range 70mm
Image Stabilization No
Colour Unknown
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F2.8
Min Aperture F22.0
Aperture Ring Yes
Diaphragm Blades 9
Optics
Optical Elements 10
Optical Groups 9
Special Elements 3 SLD glass elements

FOCUSING
Min Focus Distance 0.25m
Max Magnification 1X
Autofocus Yes
AF Motor Type Micromotor
Full Time Manual No
Focus Method Unknown
Focus Distance Limiter yes
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 527g
Diameter 76mm
Length 95mm
Materials Metal mount
Weather Sealing Unknown
Filter Thread Unknown
Filter Notes -
Hood Supplied Yes
Hood Code LH620-01
Tripod Collar No
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Frequently Asked Questions about Sigma 70mm F2.8 EX DG Macro
is the Sigma 70mm F2.8 EX DG Macro a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 70mm F2.8 EX DG Macro
is the Sigma 70mm F2.8 EX DG Macro an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 70mm F2.8 EX DG Macro
Does Sigma 70mm F2.8 EX DG Macro have Image Stabilization?
Does Sigma 70mm F2.8 EX DG Macro have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 70mm F2.8 EX DG Macro
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