Lenses comparison


Manufacturer	Sigma	Sigma	Sigma	Sigma
Model	50-500 mm f/4-6.3 DG EX APO RF HSM	50-500 mm f/4.5-6.3 APO DG OS HSM	170-500 mm f/5-6.3 APO DG Aspherical	150-500 mm f/5.0-6.3 APO DG OS HSM
Lenst style	Standard zoom	Standard zoom	Telephoto zoom	Telephoto zoom
Focal length	50 - 500 mm	50 - 500 mm	170 - 500 mm	150 - 500 mm
Maximum aperture	f/4 - 6.3	f/4.5 - 6.3	f/5 - 6.3	f/5 - 6.3
Angle of view	46.8 - 5 ^o	46.8 - 5 ^o	14.5 - 5 ^o	16.4 - 5 ^o
Closest focusing distance	1 m	0.5 m	3 m	2.2 m
Maximum magnification	1:5.2	1:3.1	1:6.6	1:5.2
Minimum aperture	22	22	38	22
Diaphragm blades	9	9	9	9
Auto focus type	AF HSM	HSM	AF	HSM
Lens Construction	20 elements / 16 group	22 elements / 16 group	13 elements / 11 group	21 elements / 15 group
Filter diameter	86 mm	95 mm	0 mm	86 mm
Macro Yes/No	No	No	Yes	No
Stabilization	No	Yes	No	Yes
Available mounts	Canon EF Nikon F Sony A / Minolta Sigma Pentax K	Canon EF Nikon F Sony A / Minolta Sigma Pentax K	Canon EF Nikon F Sony A / Minolta Sigma Pentax K	Canon EF Nikon F Sony A / Minolta Sigma Pentax K
Dimensions	95 x 218.5 mm	104.4 x 219 mm	92.5 x 229.5 mm	94.7 x 252 mm
Weight	1840 g	1970 g	1320 g	1910 g
Additional information		Four SLD (Special Low Dispersion) glass elements Released: Feb. 2010		Three SLD glass elements
Score [max 5.00]	5.00 (1)	4.50 (4)	4.00 (1)	4.62 (8)
Our Review		Review		Review