Rokinon 24mm f1.4 Aspherical vs Sigma 20mm F1.4 DG HSM A Detailed Comparison

Rokinon 24mm f1.4 Aspherical vs Sigma 20mm F1.4 DG HSM A

Lens to replace

Change

Wideangle Prime | Nikon F (FX)

Change

Sigma 20mm F1.4 DG HSM A

Wideangle Prime | Nikon F (FX)

Reasons to choose Rokinon 24mm f1.4 Aspherical over Sigma 20mm F1.4 DG HSM A

Reasons to choose Sigma 20mm F1.4 DG HSM A over Rokinon 24mm f1.4 Aspherical

Focal Length - Wide	20mm vs 24mm	4mm wider coverage
Diaphragm Blades	9 vs	better Bokeh
Autofocus	Yes vs None	Easier and more accurate focusing

Rokinon 24mm f1.4 vs Sigma 20mm F1.4 DG HSM A Specs Table

Detailed comparison of specifications

General	Rokinon 24mm f1.4	Sigma 20mm F1.4 DG HSM A
Brand	Rokinon	Sigma
Lens Type	Prime	Prime
Price	$479.00	$708.03
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Nikon F (FX)	Nikon F (FX)
Max Format	35mm FF	35mm FF
Focal Range	24mm	20mm
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	F1.4
Min Aperture	F22.0
Aperture Ring	Yes	No
Diaphragm Blades	unknown	9
Optics
Optical Elements	13	15
Optical Groups	12	11
Special Elements	4 ED glass elements, 2 aspherical elements	Two FLD, five SLD elements + Super Multi-Layer coating
Focusing
Min Focus Distance	0.25m	0.3m
Max Magnification	unknown	0.14X
Autofocus	No	Yes
AF Motor Type	None	Ring-type ultrasonic
Full Time Manual	N/A	Yes
Focus Method	Unknown	Internal
Distance Scale	Yes	Yes
DoF Scale	Yes	No
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	580g	950g
Diameter	83mm	91mm
Length	Unknown	130mm
Materials	Unknown	Unknown
Weather Sealing	No	No
Filter Thread	77mm	Unknown
Filter Notes	-	-
Hood Supplied	Unknown	Yes
Hood Code	Unknown	Unknown
Tripod Collar	No	No
Optional Accessories	-	-
	Report	Report

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