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Sigma 40mm F1.4 DG HSM A Sigma SA Review
Sigma 40mm F1.4 DG HSM A

Main Features

  • 40mm Focal Range
  • F1.4 Max Aperture
  • Weather Sealed
  • Filter Thread: 82mm
  • Max Format: 35mm FF
  • Sigma SA Mount
  • Weight: 0g.
  • Diameter: 88mm
  • Length: 131mm
  • Min Focus Distance:0.4m
  • Max Magnification:0.15x
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Sigma 40mm F1.4 DG HSM A Overview
Sigma 40mm F1.4 DG HSM A is an Auto Focus (AF) Standard Prime lens with 35mm FF max sensor coverage and it is designed to be used with Sigma SA mount cameras.

Lens Mount

Sigma 40mm F1.4 DG HSM A is compatible with cameras that have Sigma SA lens mount.Some of the latest released cameras with Sigma SA lens mount are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.

Sensor Coverage

Max sensor coverage of Sigma 40mm F1.4 DG HSM A is 35mm FF.

Focal Range

Sigma 40mm F1.4 DG HSM A has a fixed focal lenght of 40mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 40mm.

Aperture

Sigma 40mm F1.4 DG HSM A has a max aperture of F1.4 and a minimum aperture of F16.
Pros and Cons of Sigma 40mm F1.4 DG HSM A

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

CONs
Pricey
Sigma 40mm F1.4 DG HSM A Detailed Specifications

General
Brand Sigma
Lens Type Prime
Lens Type Standard Prime
Lens Mount Sigma SA
Max Format 35mm FF
Focal Range 40mm
Image Stabilization
Colour Unknown
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F1.4
Min Aperture F16
Aperture Ring No
Diaphragm Blades 9
Optics
Optical Elements 16
Optical Groups 12
Special Elements 3 FLD + 3 SLD elements

FOCUSING
Min Focus Distance 0.4m
Max Magnification 0.15X
Autofocus Yes
AF Motor Type Ring-type ultrasonic
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 0g
Diameter 88mm
Length 131mm
Weather Sealing Yes
Filter Thread 82mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
Sigma 40mm F1.4 DG HSM A Alternatives in Sigma SA Mount
Model Coverage Weight Focusing Street Price
Sigma 35mm F1.4 DG HSM Lens Sigma 35mm F1.4 DG HSM
Compare
35mm FF 665gr AF Amazon B&H Photo
Frequently Asked Questions about Sigma 40mm F1.4 DG HSM A
is the Sigma 40mm F1.4 DG HSM A a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 40mm F1.4 DG HSM A
is the Sigma 40mm F1.4 DG HSM A an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 40mm F1.4 DG HSM A
Does Sigma 40mm F1.4 DG HSM A have Image Stabilization?
Does Sigma 40mm F1.4 DG HSM A have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 40mm F1.4 DG HSM A
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