Comparison of Sigma APO 70-200mm f/2.8 EX DG Macro HSM and Sigma APO 70-200mm f/2.8 II EX DG Macro HSM

Attribute	Sigma APO 70-200mm f/2.8 EX DG Macro HSM ×	Sigma APO 70-200mm f/2.8 II EX DG Macro HSM ×
Filter Size (mm)	77	77
Notes	Available AF Mounts: Sigma, Canon, Nikon	Available AF Mounts: Canon, Nikon, Four-Thirds, Pentax, Sigma, Sony; Included Accessories: Case, Petal-type Hood (LH850-01), Tripod Collar (TS-21).
Closest Focus (m)	1	1
Magnification Ratio (x)	0.29	0.29
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	184	184.4
APS Equivalent	1.5x: 105 - 300mm; 1.6x: 112 - 320mm	1.5x: 105 - 300mm; 1.6x: 112 - 320mm; 2.0x: 140 - 400mm
Zoom System	Rotary with lock; Internal	Rotary with lock; Internal
Image Circle	35mm	35mm
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
Brand	Sigma	Sigma
Name	Sigma APO 70-200mm f/2.8 EX DG Macro HSM	Sigma APO 70-200mm f/2.8 II EX DG Macro HSM
Weight (g)	1380	1370
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	12.30 - 34.30	12.30 - 34.30
Lens Construction	18 elements in 15 groups, including 2 ELD and 2 SLD elements	18 elements in 15 groups, including 3 ELD and 2 SLD elements
Diameter (mm)	86.6	86.5
Focus Details	Internal; HSM with full-time manual override	Internal; HSM with full-time manual override