Lenses comparison


Manufacturer	Sigma	Sigma	Sigma	Tamron
Model	50-500 mm f/4.5-6.3 APO DG OS HSM	50-500 mm f/4-6.3 DG EX APO RF HSM	150-500 mm f/5.0-6.3 APO DG OS HSM	AF 200-500 mm f/5-6.3 Di LD (IF)
Lenst style	Standard zoom	Standard zoom	Telephoto zoom	Telephoto zoom
Focal length	50 - 500 mm	50 - 500 mm	150 - 500 mm	200 - 500 mm
Maximum aperture	f/4.5 - 6.3	f/4 - 6.3	f/5 - 6.3	f/5 - 6.3
Angle of view	46.8 - 5 ^o	46.8 - 5 ^o	16.4 - 5 ^o	12 - 5 ^o
Closest focusing distance	0.5 m	1 m	2.2 m	2.5 m
Maximum magnification	1:3.1	1:5.2	1:5.2	1:5
Minimum aperture	22	22	22	32
Diaphragm blades	9	9	9	9
Auto focus type	HSM	AF HSM	HSM
Lens Construction	22 elements / 16 group	20 elements / 16 group	21 elements / 15 group	10 elements / 13 group
Filter diameter	95 mm	86 mm	86 mm	86 mm
Macro Yes/No	No	No	No	No
Stabilization	Yes	No	Yes	No
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
Dimensions	104.4 x 219 mm	95 x 218.5 mm	94.7 x 252 mm	93.5 x 227 mm
Weight	1970 g	1840 g	1910 g	1237 g
Additional information	Four SLD (Special Low Dispersion) glass elements Released: Feb. 2010		Three SLD glass elements
Score [max 5.00]	4.50 (4)	5.00 (1)	4.62 (8)	3.92 (4)
Our Review	Review		Review