Sigma 20mm F1.4 DG HSM A vs Nikon AF Nikkor 20mm f2.8D Detailed Comparison

Sigma 20mm F1.4 DG HSM A vs Nikon AF Nikkor 20mm f2.8D

Lens to replace

Change

Wideangle Prime | Nikon F (FX)

Change

Wideangle Prime | Nikon F (FX)

Reasons to choose Sigma 20mm F1.4 DG HSM A over Nikon AF Nikkor 20mm f2.8D

Max Aperture - Wide	1.4 vs 2.8	faster lens at wide
Diaphragm Blades	9 vs 7	better Bokeh

Reasons to choose Nikon AF Nikkor 20mm f2.8D over Sigma 20mm F1.4 DG HSM A

Sigma 20mm F1.4 DG HSM A vs Nikon 20mm f2.8D Specs Table

Detailed comparison of specifications

General	Sigma 20mm F1.4 DG HSM A	Nikon 20mm f2.8D
Brand	Sigma	Nikon
Lens Type	Prime	Prime
Price	$808.07	$621.95
Lens Type	Wideangle Prime	Wideangle Prime
Lens Mount	Nikon F (FX)	Nikon F (FX)
Max Format	35mm FF	35mm FF
Focal Range	20mm	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	F2.8
Min Aperture		F22.0
Aperture Ring	No	Yes
Diaphragm Blades	9	7
Optics
Optical Elements	15	12
Optical Groups	11	9
Special Elements	Two FLD, five SLD elements + Super Multi-Layer coating	unknown
Focusing
Min Focus Distance	0.3m	0.25m
Max Magnification	0.14X	unknown
Autofocus	Yes	Yes
AF Motor Type	Ring-type ultrasonic	unknown
Full Time Manual	Yes
Focus Method	Internal	Unknown
Distance Scale	Yes	Yes
DoF Scale	No	Yes
Distance Scale	Yes	Yes
Focus Distance Limiter	Unknown	Unknown
Physical Specs
Weight	950g	270g
Diameter	91mm	69mm
Length	130mm	43mm
Materials	Unknown	metal mount
Weather Sealing	No	No
Filter Thread	Unknown	62mm
Filter Notes	-	-
Hood Supplied	Yes	No
Hood Code	Unknown	HB-4
Tripod Collar	No	No
Optional Accessories	-	Lens pouch CL-S2
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