Lenses comparison


Manufacturer	Sigma	Canon	Konica Minolta	Nikon Nikkor	Pentax
Model	A 18-35 mm f/1.8 DC HSM	EF 28-70 mm f/2.8L USM	AF 28-70 mm f/2.8 G	AF-S 28-70 mm f/2.8D IF-ED	smc FA 28-70 mm f/2.8 AL
Lenst style	Wide angle zoom	Universal zoom	Universal zoom	Universal zoom	Universal zoom
Focal length	18 - 35 mm	28 - 70 mm	28 - 70 mm	28 - 70 mm	28 - 70 mm
Maximum aperture	f/1.8	f/2.8	f/2.8	f/2.8	f/2.8
Angle of view	76.5 - 44.2 ^o	75.4 - 34.4 ^o	75 - 34 ^o	74 - 34.2 ^o	75 - 34.5 ^o
Closest focusing distance	0.28 m	0.5 m	0.85 m	0.5 m	0.43 m
Maximum magnification	1:4.3	1:5.56	1:11	1:5.6	1:4
Minimum aperture	16	22	22	22	22
Diaphragm blades	9	8	9	9	0
Auto focus type	HSM	USM	AF	AF	AF
Lens Construction	17 elements / 12 group	16 elements / 11 group	16 elements / 11 group	15 elements / 11 group	14 elements / 11 group
Filter diameter	72 mm	77 mm	72 mm	77 mm	67 mm
Macro Yes/No	No	No	No	Yes	No
Stabilization	No	No	No	No	No
Available mounts	Nikon F Sony A / Minolta Pentax K Canon EF-S	Canon EF	Sony A / Minolta	Nikon F	Pentax K
Dimensions	121 x 78 mm	83.2 x 117.6 mm	83 x 114.5 mm	88.5 x 121.5 mm	104 x 84.5 mm
Weight	810 g	880 g	850 g	935 g	800 g
Additional information	5 SLD element, 4 aspherical lenses, Announced: 18 April 2013	Marketed November 1993	Marketed 1993	Marketed 1999
Score [max 5.00]	4.71 (16)	4.67 (4)	4.67 (2)	4.00 (2)	4.33 (1)
Our Review	Review