Leica APO-Summicron-SL 35mm F2 ASPH vs Sigma 35mm F1.4 DG HSM

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Leica APO-Summicron-SL 35mm F2 ASPH

Wideangle Prime | Leica SL

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Sigma 35mm F1.4 DG HSM

Wideangle Prime | Leica L

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Leica APO-Summicron-SL 35mm F2 ASPH vs Sigma 35mm F1.4 DG HSM Comparison Overview

In this review, we will be comparing Leica APO-Summicron-SL 35mm F2 ASPH and Sigma 35mm F1.4 DG HSM, two Wideangle Prime lenses from Leica and Sigma. Both cameras have the same focal range of 35mm but different max apertures: Leica APO-Summicron-SL 35mm F2 ASPH has a max aperture of F2 while the Sigma 35mm F1.4 DG HSM has a max aperture of F1.4.

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 35mm F2 ASPH Key Specs

35mm Focal Range

F2 Max Aperture

Weather Sealed

Filter Thread: 67mm

Max Format: 35mm FF

Leica SL Mount

Weight: 720g.

Diameter: 73mm

Length: 102mm

Min Focus Distance:0.27m

Max Magnification:0.2x

Sigma 35mm F1.4 DG HSM Key Specs

35mm Focal Range

F1.4 Max Aperture

Filter Thread: 67mm

Max Format:

Leica L Mount

Weight: 665g.

Diameter: 77mm

Length: 94mm

Min Focus Distance:0.3m

Max Magnification:0.19x

Size and Weight Comparison

Size of a lens is an important deciding factor when comparing two lenses.Leica APO-Summicron-SL 35mm F2 ASPH is the longer of the two lenses at 102mm. The Sigma 35mm F1.4 DG HSM with a length of 94mm is 8mm shorter. On the other hand, the Sigma 35mm F1.4 DG HSM has a larger diameter of 77mm compared to Leica APO-Summicron-SL 35mm 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. Sigma 35mm F1.4 DG HSM weighs 665g, 7% (55g) lighter than the Leica APO-Summicron-SL 35mm F2 ASPH's weight of 720g.

Lens Mounts

Both Leica APO-Summicron-SL 35mm F2 ASPH has the Leica SL lens mount whereas the Sigma 35mm F1.4 DG HSM has the Leica L 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 SL Mount and Sigma fp L, Leica SL2-S and Panasonic S5 for the Leica L Mount.

Sigma 35mm F1.4 DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha, Sigma SA and Nikon F (FX) mounts.

Focal Range

Reasons to choose Leica APO-Summicron-SL 35mm F2 ASPH over Sigma 35mm F1.4 DG HSM

Diameter	73mm vs 77mm	4mm smaller in diameter
Weather Sealing	Yes vs No	safer to use under rain and dust
Minimum Focus Distance	0.27m vs 0.3m	can focus closer to the subject
Max Magnification	0.2x vs 0.19x	higher magnification better for close-up shots

Reasons to choose Sigma 35mm F1.4 DG HSM over Leica APO-Summicron-SL 35mm F2 ASPH

Max Aperture - Wide	1.4 vs 2	Wider aperture at wide end
Max Aperture - Tele	1.4 vs 2	Wider aperture at tele end
Diaphgragm Blades	9 vs	Potentially more rounded and smooth bokeh
Distance Scale	Yes vs No	Distance Scale to assist focusing
Depth-of-Field Scale	Yes vs No	Depth of Field scale to assist focusing
Weight	665g vs 720g	55g lighter
Length	94mm vs 102mm	8mm shorter

Common Strengths of Leica APO-Summicron-SL 35mm F2 ASPH and Sigma 35mm F1.4 DG HSM

Internal Focusing	Yes vs Yes	Length of the lens doesn't change during focusing

Common Weaknesses of Leica APO-Summicron-SL 35mm F2 ASPH and Sigma 35mm F1.4 DG HSM

Image Stabilization	No vs No	Reliant on in-body Image Stabilization

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Leica APO-Summicron-SL 35mm F2 ASPH vs Sigma 35mm F1.4 DG HSM Specs Table

Detailed comparison of specifications

General	Leica APO-Summicron-SL 35mm F2 ASPH	Sigma 35mm F1.4 DG HSM
Brand	Leica	Sigma
Lens Type	Prime	Prime
Price	CHECK PRICE	CHECK PRICE
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Leica SL	Leica L
Max Format	35mm FF	35mm FF
Focal Range	35mm	35mm
Image Stabilization		No
Colour	Black	Unknown
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F2	F1.4
Min Aperture	F22	F16.0
Aperture Ring	No	No
Diaphragm Blades	unknown	9
Optics
Optical Elements	13	13
Optical Groups	11	11
Focusing
Min Focus Distance	0.27m	0.3m
Max Magnification	0.2X	0.19X
Autofocus	Yes	Yes
AF Motor Type	Stepper motor	Ring-type ultrasonic
Full Time Manual	Yes	Yes
Focus Method	Internal	Internal
Distance Scale	No	Yes
DoF Scale	No	Yes
Distance Scale	No	Yes
Focus Distance Limiter	No	Unknown
Physical Specs
Weight	720g	665g
Diameter	73mm	77mm
Length	102mm	94mm
Materials	Magnesium alloy	Plastic barrel, metal mount
Weather Sealing	Yes	No
Filter Thread	67mm	67mm
Filter Notes	-	Does not rotate
Hood Supplied	Yes	Yes
Hood Code	Unknown	LH730-03
Tripod Collar	No	No
Optional Accessories	-	-
	Report a Correction	Report a Correction

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