Leica Summilux-SL 50mm F1.4 ASPH vs Sigma 40mm F1.4 DG HSM A Detailed Comparison

Leica Summilux-SL 50mm F1.4 ASPH vs Sigma 40mm F1.4 DG HSM A

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Leica Summilux-SL 50mm F1.4 ASPH

Standard Prime | Leica SL

BUY from B&H PHOTO

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Sigma 40mm F1.4 DG HSM A

Standard Prime | Leica L

BUY from B&H PHOTO

Reasons to choose Leica Summilux-SL 50mm F1.4 ASPH over Sigma 40mm F1.4 DG HSM A

Focal Length - Tele	50mm vs 40mm	10mm more tele coverage
Diameter	mm vs 88 mm	88 mm smaller in diameter
Length	mm vs 131 mm	131 mm shorter

Reasons to choose Sigma 40mm F1.4 DG HSM A over Leica Summilux-SL 50mm F1.4 ASPH

Price	$1,051 vs $4,894	Cheaper by $3,843
Focal Length - Wide	40mm vs 50mm	10mm wider coverage
Diaphragm Blades	9 vs	better Bokeh
Weight	0 g vs 335 g	335 g lighter

Leica Summilux-SL 50mm F1.4 ASPH vs Sigma 40mm F1.4 DG HSM A Specs Table

Detailed comparison of specifications

General	Leica Summilux-SL 50mm F1.4 ASPH	Sigma 40mm F1.4 DG HSM A
Brand	Leica	Sigma
Lens Type	Prime	Prime
Price	$4,894.00	$1,050.66
Lens Type	Standard Prime	Standard Prime
Lens Mount	Leica SL	Leica L
Max Format	35mm FF	35mm FF
Focal Range	50mm	40mm
Image Stabilization
Colour	Unknown	Unknown
Zoom Method	No Zoom	No Zoom
Power Zoom	No	No
Zoom Lock	No	No
Zoom Ratio	1.0X	1.0X
Aperture
Max Aperture	F1.4	F1.4
Min Aperture		F16
Aperture Ring	No	No
Diaphragm Blades	unknown	9
Optics
Optical Elements	unknown	16
Optical Groups	unknown	12
Special Elements	unknown	3 FLD + 3 SLD elements
Focusing
Min Focus Distance	unknown	0.4m
Max Magnification	unknown	0.15X
Autofocus	Yes	Yes
AF Motor Type	unknown	Ring-type ultrasonic
Full Time Manual	Unknown	Yes
Focus Method	Internal	Internal
Distance Scale	Unknown	Yes
DoF Scale	Unknown	No
Distance Scale	Unknown	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	335g	0g
Diameter	Unknown	88mm
Length	Unknown	131mm
Materials	Unknown	Unknown
Weather Sealing	Unknown	Yes
Filter Thread	Unknown	82mm
Filter Notes	-	-
Hood Supplied	Unknown	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
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