Lenses compare


Manufacturer	Sigma	Canon	Nikon Nikkor	Sony
Model	50 mm f/1.4 EX DG HSM	EF 50 mm f/1.4 USM	AF 50 mm f/1.4D	50 mm f/1.4
Lenst style	Normal	Normal	Normal	Normal
Focal length	50 mm	50 mm	50 mm	50 mm
Maximum aperture	f/1.4	f/1.4	f/1.4	f/1.4
Angle of view	46.8 ^o	46.8 ^o	46 ^o	47 ^o
Closest focusing distance	0.45 m	0.45 m	0.45 m	0.45 m
Maximum magnification	1:7.4	1:6.67	1:6.8	1:6.67
Minimum aperture	16	22	16	22
Diaphragm blades	9	8	7	7
Auto focus type	HSM	USM	AF	AF
Lens Construction	8 elements / 6 group	7 elements / 6 group	7 elements / 6 group	7 elements / 6 group
Filter diameter	77 mm	58 mm	52 mm	55 mm
Macro Yes/No	No	No	No	No
Available mounts	Canon EF Nikon F Sony A / Minolta Sigma Pentax K Four Thirds	Canon EF	Nikon F	Sony A / Minolta
Dimensions	68.2 x 84.5 mm	73.8 x 50.5 mm	64.5 x 42.5 mm	65.5 x 43 mm
Weight	505 g	290 g	230 g	220 g
Additional information	If the Sony or Pentax camera body does not support HSM, auto focus will not be available.	Marketed June 1993	Marketed 1995
Score [max 5.00]	4.29(17)	3.92(16)	4.50(4)	4.67(1)
Our Review	Our Review	Our Review	Our Review

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