Comparison of Sigma 28-70mm f/2.8-4 and Sigma 28-70mm f/2.8-4 DG

Attribute	Sigma 28-70mm f/2.8-4 DG ×	Sigma 28-70mm f/2.8-4 ×
Filter Size (mm)	62	62
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Included Accessories: Lens Hood
Closest Focus (m)	0.5	0.5
Magnification Ratio (x)	0.15	0.15
Type	Standard Zoom	Standard Zoom
Length (mm)	62.5	60
APS Equivalent	1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm	1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm
Zoom System	Rotary	Rotary
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 70.00	28.00 - 70.00
Brand	Sigma	Sigma
Name	Sigma 28-70mm f/2.8-4 DG	Sigma 28-70mm f/2.8-4
Weight (g)	255	245
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	8	8
Diagonal Angle of View (degree)	34.30 - 75.40	34.30 - 75.40
Lens Construction	11 elements in 8 groups, including 1 aspherical element	11 elements in 8 groups, including 1 aspherical element
Diameter (mm)	67.5	67.5
Front Element Rotation	-	-