Lenses comparison


Manufacturer	Panasonic	Leica	Canon	Nikon Nikkor	Sony
Model	Leica DG Summilux 25 mm f/1.4 ASPH.	D Summilux 25 mm f/1.4	EF 50 mm f/1.4 USM	AF-S 50 mm f/1.4G	50 mm f/1.4
Lenst style	Normal	Normal	Normal	Normal	Normal
Focal length	25 mm	25 mm	50 mm	50 mm	50 mm
Maximum aperture	f/1.4	f/1.4	f/1.4	f/1.4	f/1.4
Angle of view	47 ^o	47 ^o	46.8 ^o	46 ^o	47 ^o
Closest focusing distance	0.3 m	0.38 m	0.45 m	0.45 m	0.45 m
Maximum magnification	1:9	1:0.18	1:6.67	1:6.5	1:6.67
Minimum aperture	16	16	22	16	22
Diaphragm blades	7	7	8	9	7
Auto focus type	AF	AF	USM	SWM	AF
Lens Construction	9 elements / 7 group	10 elements / 9 group	7 elements / 6 group	8 elements / 7 group	7 elements / 6 group
Filter diameter	46 mm	62 mm	58 mm	58 mm	55 mm
Macro Yes/No	No	No	No	No	No
Stabilization	No	No	No	No	No
Available mounts	Micro Four Thirds	Four Thirds	Canon EF	Nikon F	Sony A / Minolta
Dimensions	54.5 x 63 mm	62 x 75 mm	73.8 x 50.5 mm	73.5 x 54.2 mm	65.5 x 43 mm
Weight	200 g	510 g	290 g	290 g	220 g
Additional information	2 aspherical lenses , 1 UHR (Ultra High Refractive Index) lens Nano Surface Coating	For Four Thirds format	Marketed June 1993
Score [max 5.00]	4.73 (11)	4.67 (1)	3.74 (19)	4.04 (8)	4.67 (1)
Our Review	Review	Review	Review	Review