Comparison of Sigma APO 50-150mm f/2.8 EX DC HSM and Sigma APO 50-150mm f/2.8 II EX DC HSM

Attribute	Sigma APO 50-150mm f/2.8 II EX DC HSM ×	Sigma APO 50-150mm f/2.8 EX DC HSM ×
Filter Size (mm)	67	67
Notes	Available AF Mounts: Sigma, Canon, Nikon, Pentax, Sony; Included Accessories: Case, Lens Hood (LH850-01).	Available AF Mounts: Sigma, Canon, Nikon; Included Accessories: Lens Hood
Closest Focus (m)	1	1
Magnification Ratio (x)	0.19	0.19
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	140.2	132.6
APS Equivalent	1.5x: 75 - 225mm; 1.6x: 80 - 240mm	1.5x: 75 - 225mm; 1.6x: 80 - 240mm
Zoom System	Rotary	Rotary
Image Circle	APS-C	APS-C
Focal Length (mm)	50.00 - 150.00	50.00 - 150.00
Brand	Sigma	Sigma
Name	Sigma APO 50-150mm f/2.8 II EX DC HSM	Sigma APO 50-150mm f/2.8 EX DC HSM
Weight (g)	780	780
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	9.50 - 27.90	9.50 - 27.90
Lens Construction	18 elements in 14 groups, including 4 SLD elements	18 elements in 14 groups, including 4 SLD elements
Diameter (mm)	76.5	76.3
Focus Details	HSM (Hyper Sonic Motor) with full-time manual focus override	HSM (Hyper Sonic Motor) with full-time manual focus override