Lenses comparison


Manufacturer	Sigma	Sigma	Nikon Nikkor	Pentax	Sony
Model	A 30 mm f/1.4 DC HSM	30 mm f/1.4 EX DC HSM	AF-S DX 35 mm f/1.8G	smc DA 35 mm f/2.4 AL	DT 35 mm f/1.8 SAM
Lenst style	Wide angle	Normal	Normal	Normal	Normal
Focal length	30 mm	30 mm	35 mm	35 mm	35 mm
Maximum aperture	f/1.4	f/1.4	f/1.8	f/2.4	f/1.8
Angle of view	50.7 ^o	45 ^o	44 ^o	44 ^o	44 ^o
Closest focusing distance	0.3 m	0.4 m	0.3 m	0.3 m	0.23 m
Maximum magnification	1:6.8	1:10.4	1:6.25	1:5.9	1:4
Minimum aperture	16	16	22	22	22
Diaphragm blades	9	8	7	6	7
Auto focus type	HSM	AF HSM	SWM	AF	SAM
Lens Construction	9 elements / 8 group	7 elements / 7 group	8 elements / 6 group	6 elements / 5 group	6 elements / 5 group
Filter diameter	62 mm	62 mm	52 mm	49 mm	55 mm
Macro Yes/No	No	No	No	No	No
Stabilization	No	No	No	No	No
Available mounts	Nikon F Sigma Canon EF-S	Nikon F Sony A / Minolta Sigma Pentax K Four Thirds Canon EF-S	Nikon F	Pentax K	Sony A / Minolta
Dimensions	74.2 x 63.3 mm	76.6 x 59 mm	70 x 52.5 mm	63 x 45 mm	70 x 52 mm
Weight	435 g	430 g	210 g	124 g	170 g
Additional information		2 SLD elements and 1 hybrid aspherical lens	One aspherical lens. Anounced: Feb 09, 2009
Score [max 5.00]	3.94 (6)	4.21 (11)	4.27 (26)	4.33 (7)	4.33 (3)
Our Review	Review	Review	Review	Review	Review