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Leica APO-Summicron-SL 28mm F2 ASPH vs Sigma 35mm F1.2 DG DN Art

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Leica APO-Summicron-SL 28mm F2 ASPH

Wideangle Prime | Leica L

Leica APO-Summicron-SL 28mm F2 ASPH
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Sigma 35mm F1.2 DG DN Art

Wideangle Prime | Leica SL

Sigma 35mm F1.2 DG DN Art
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Leica APO-Summicron-SL 28mm F2 ASPH vs Sigma 35mm F1.2 DG DN Art Comparison Overview

In this review, we will be comparing Leica APO-Summicron-SL 28mm F2 ASPH and Sigma 35mm F1.2 DG DN Art, two Wideangle Prime lenses from Leica and Sigma.

We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.

Leica APO-Summicron-SL 28mm F2 ASPH Key Specs

  • 28mm Focal Range
  • F2 Max Aperture
  • Weather Sealed
  • Filter Thread: 67mm
  • Max Format: 35mm FF
  • Leica L Mount
  • Weight: 700g.
  • Diameter: 73mm
  • Length: 102mm
  • Min Focus Distance:0.24m
  • Max Magnification:0.2x

Sigma 35mm F1.2 DG DN Art Key Specs

  • 35mm Focal Range
  • F1.2 Max Aperture
  • Weather Sealed
  • Filter Thread: 82mm
  • Max Format:
  • Leica SL Mount
  • Weight: 1090g.
  • Diameter: 88mm
  • Length: 136mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.2x

Size and Weight Comparison

Size of a lens is an important deciding factor when comparing two lenses.Sigma 35mm F1.2 DG DN Art is the longer of the two lenses at 136mm. The Leica APO-Summicron-SL 28mm F2 ASPH with a length of 102mm is 34mm shorter. Besides being longer, the Sigma 35mm F1.2 DG DN Art also has a larger diameter of 88mm compared to Leica APO-Summicron-SL 28mm F2 ASPH's 73mm diameter.

Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Leica APO-Summicron-SL 28mm F2 ASPH weighs 700g, which means it is 390g (55%) lighter than the Sigma 35mm F1.2 DG DN Art which has a weight of 1090g.


Lens Mounts

Both Leica APO-Summicron-SL 28mm F2 ASPH has the Leica L lens mount whereas the Sigma 35mm F1.2 DG DN Art has the Leica SL lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma fp L, Leica SL2-S and Panasonic S5 for the Leica L Mount and Sigma fp L, Leica SL2-S and Panasonic S5 for the Leica SL Mount.

Sigma 35mm F1.2 DG DN Art is also available in Sony E mount.

Focal Range

Leica APO-Summicron-SL 28mm F2 ASPH is a prime lens with fixed focal lenght of 28mm. Sigma 35mm F1.2 DG DN Art is a prime lens with fixed focal lenght of 35mm.

Reasons to choose Leica APO-Summicron-SL 28mm F2 ASPH over Sigma 35mm F1.2 DG DN Art

Focal Length - Wide 28mm vs 35mm 7mm Wider coverage
Weight 700g vs 1090g 390g lighter
Diameter 73mm vs 88mm 15mm smaller in diameter
Length 102mm vs 136mm 34mm shorter
Filter Thread 67mm vs 82mm Smaller filters are cheaper and easier to find
Minimum Focus Distance 0.24m vs 0.3m can focus closer to the subject
Reasons to choose Sigma 35mm F1.2 DG DN Art over Leica APO-Summicron-SL 28mm F2 ASPH
Focal Length - Tele 35mm vs 28mm 7mm more Tele coverage
Max Aperture - Wide 1.2 vs 2 Wider aperture at wide end
Max Aperture - Tele 1.2 vs 2 Wider aperture at tele end
Diaphgragm Blades 11 vs Potentially more rounded and smooth bokeh
Aperture Ring Yes vs No able to adjust the aperture on the lens

Common Strengths of Leica APO-Summicron-SL 28mm F2 ASPH and Sigma 35mm F1.2 DG DN Art
Internal Focusing Yes vs Yes Length of the lens doesn't change during focusing
Weather Sealing Yes vs Yes safer to use under rain and dust
Common Weaknesses of Leica APO-Summicron-SL 28mm F2 ASPH and Sigma 35mm F1.2 DG DN Art
Image Stabilization No vs No Reliant on in-body Image Stabilization
Distance Scale No vs No No Distance Scale assist



**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.

Leica APO-Summicron-SL 28mm F2 ASPH vs Sigma 35mm F1.2 DG DN Art Specs Table

Detailed comparison of specifications
General Leica APO-Summicron-SL 28mm F2 ASPH Sigma 35mm F1.2 DG DN Art
Brand Leica Sigma
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Wideangle Prime Wideangle Prime
Lens Mount Leica L Leica SL
Max Format 35mm FF 35mm FF
Focal Range 28mm 35mm
Image Stabilization No
Colour Black Black
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F2 F1.2
Min Aperture F22 F16
Aperture Ring No Yes
Diaphragm Blades unknown 11
Optics
Optical Elements 13 17
Optical Groups 10 12
Focusing
Min Focus Distance 0.24m 0.3m
Max Magnification 0.2X 0.2X
Autofocus Yes Yes
AF Motor Type Stepper motor Ring-type ultrasonic
Full Time Manual No Yes
Focus Method Internal Internal
Distance Scale No No
DoF Scale No No
Distance Scale No No
Focus Distance Limiter No Unknown
Physical Specs
Weight 700g 1090g
Diameter 73mm 88mm
Length 102mm 136mm
Materials Magnesium alloy Magnesium alloy
Weather Sealing Yes Yes
Filter Thread 67mm 82mm
Filter Notes - -
Hood Supplied Yes Yes
Hood Code Unknown Unknown
Tripod Collar No Unknown
Optional Accessories - -
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