Lenses comparison


Manufacturer	Samsung	Canon	Olympus	Panasonic	Sigma
Model	NX 20 mm f/2.8	EF-M 22 mm f/2 STM	M.Zuiko Digital 17 mm f/2.8	G 20 mm f/1.7 ASPH.	19 mm f/2.8 EX DN
Lenst style	Wide angle	Wide angle	Wide angle	Wide angle	Wide angle
Focal length	20 mm	22 mm	17 mm	20 mm	19 mm
Maximum aperture	f/2.8	f/2	f/2.8	f/1.7	f/2.8
Angle of view	70.2 ^o	63.5 ^o	65 ^o	57 ^o	73.5 ^o
Closest focusing distance	0.17 m	0.15 m	0.2 m	0.2 m	0.2 m
Maximum magnification	1:5.5	1:4.8	1:9	1:7.5	1:7.4
Minimum aperture	22	22	22	16	22
Diaphragm blades	7	7	5	7	7
Auto focus type	AF	STM	AF	AF	AF
Lens Construction	6 elements / 4 group	7 elements / 6 group	6 elements / 4 group	7 elements / 5 group	8 elements / 6 group
Filter diameter	43 mm	43 mm	37 mm	46 mm	46 mm
Macro Yes/No	No	No	No	No	No
Stabilization	No	No	No	No	No
Available mounts	Samsung NX	Canon EF-M	Micro Four Thirds	Micro Four Thirds	Micro Four Thirds Sony E
Dimensions	62.2 x 24.5 mm	60.9 x 23.7 mm	57 x 22 mm	63 x 25.5 mm	60.6 x 45.7 mm
Weight	89 g	105 g	71 g	100 g	140 g
Additional information	1 Aspherical lens i-Function	1 aspheric lens element	one aspherical lens	2 aspherical elements	Three glass mold aspherical lenses Super Multi-Layer Coating 3 aspherical elements Micro 4/3 FOV is 59.3 deg
Score [max 5.00]	3.00 (1)	5.00 (2)	3.89 (3)	4.42 (8)	4.50 (4)
Our Review	Review		Review	Review	Review