Sigma 20mm F1.4 DG HSM A vs Sigma 24mm F1.8 EX DG Aspherical Macro Detailed Comparison

Sigma 20mm F1.4 DG HSM A vs Sigma 24mm F1.8 EX DG Aspherical Macro

Lens to replace

Change

Wideangle Prime | Sigma SA Bayonet

Change

Wideangle Prime | Sigma SA

Reasons to choose Sigma 20mm F1.4 DG HSM A over Sigma 24mm F1.8 EX DG Aspherical Macro

Focal Length - Wide	20mm vs 24mm	4mm wider coverage
Max Aperture - Wide	1.4 vs 1.8	faster lens at wide

Reasons to choose Sigma 24mm F1.8 EX DG Aspherical Macro over Sigma 20mm F1.4 DG HSM A

Sigma 20mm F1.4 DG HSM A vs Sigma 24mm F1.8 EX DG Specs Table

Detailed comparison of specifications

General	Sigma 20mm F1.4 DG HSM A	Sigma 24mm F1.8 EX DG
Brand	Sigma	Sigma
Lens Type	Prime	Prime
Price	$808.07	$549.00
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Sigma SA Bayonet	Sigma SA
Max Format	35mm FF	35mm FF
Focal Range	20mm	24mm
Image Stabilization	No	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	F1.4	F1.8
Min Aperture		F22.0
Aperture Ring	No	Yes
Diaphragm Blades	9	9
Optics
Optical Elements	15	10
Optical Groups	11	9
Special Elements	Two FLD, five SLD elements + Super Multi-Layer coating	2 aspherical elements
Focusing
Min Focus Distance	0.3m	0.18m
Max Magnification	0.14X	unknown
Autofocus	Yes	Yes
AF Motor Type	Ring-type ultrasonic	unknown
Full Time Manual	Yes	Yes
Focus Method	Internal	Internal
Distance Scale	Yes	Yes
DoF Scale	No	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	950g	485g
Diameter	91mm	84mm
Length	130mm	83mm
Materials	Unknown	Unknown
Weather Sealing	No	Unknown
Filter Thread	Unknown	77mm
Filter Notes	-	-
Hood Supplied	Yes	Unknown
Hood Code	Unknown	petal type hood
Tripod Collar	No	No
Optional Accessories	-	-
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