Lenses comparison


Manufacturer	Nikon Nikkor	Samyang	Sigma	Voigtlander	Leica	Voigtlander
Model	AF-S 20 mm f/1.8G ED	20 mm f/1.8 ED AS UMC	20 mm f/1.8 EX DG Aspherical RF	21 mm f/1.4 Aspherical VM	Summilux-M 21 mm f/1.4 ASPH.	Ultron 21 mm f/1.8
Lenst style	Wide angle	Wide angle	Wide angle	Wide angle	Wide angle	Wide angle
Focal length	20 mm	20 mm	20 mm	21 mm	21 mm	21 mm
Maximum aperture	f/1.8	f/1.8	f/1.8	f/1.4	f/1.4	f/1.8
Angle of view	94.5 ^o	94.8 ^o	94.5 ^o	90.3 ^o	92 ^o	91.7 ^o
Closest focusing distance	0.2 m	0.2 m	0.2 m	0.5 m	0.7 m	0.5 m
Maximum magnification	1:4.35		1:4	n/a	1:29	1:7.7
Minimum aperture	16	22	22	16	16	22
Diaphragm blades	7	7	9	12	0	10
Auto focus type	AF SWM	MF	AF	MF	manual	MF
Lens Construction	13 elements / 11 group	13 elements / 12 group	13 elements / 11 group	13 elements / 11 group	10 elements / 8 group	13 elements / 11 group
Filter diameter	77 mm	77 mm	82 mm	62 mm	82 mm	58 mm
Macro Yes/No	No	No	No	No	No	No
Stabilization	No	No	No	No	No	No
Available mounts	Nikon F	Canon EF Nikon F Sony A / Minolta Pentax K Four Thirds Micro Four Thirds Samsung NX Sony E Canon EF-S Fujifilm X Canon EF-M	Canon EF Nikon F Sony A / Minolta Sigma Pentax K	Leica M / VM-Mount	Leica M / VM-Mount	Leica M / VM-Mount
Dimensions	81 x 83 mm	83 x 88.4 mm	88.5 x 87 mm	69.7 x 69.5 mm	70 x 77 mm	78.4 x 69 mm
Weight	355 g	497 g	520 g	480 g	580 g	412 g
Additional information	Anounced: Sep 12, 2014 2 ED and 2 aspherical lenses.	Announced: 8.08.2016 2 aspherical lenses, 2 extra-low dispersion Data for Canon version				Announced: September 2012
Score [max 5.00]	4.33 (6)	No score	3.82 (11)	No score	No score	No score
Our Review	Review