Comparison of Sigma APO 135-400mm f/4.5-5.6 Aspherical and Sigma APO 135-400mm f/4.5-5.6 DG

Attribute	Sigma APO 135-400mm f/4.5-5.6 Aspherical ×	Sigma APO 135-400mm f/4.5-5.6 DG ×
Filter Size (mm)	77	77
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds
Closest Focus (m)	2	2
Magnification Ratio (x)	0.19	0.19
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	183.5	183.5
APS Equivalent	1.5x: 202.5 - 600mm; 1.6x: 216 - 640mm	1.5x: 202.5 - 600mm; 1.6x: 216 - 640mm
Zoom System	Rotary	Rotary
Image Circle	35mm	35mm
Focal Length (mm)	135.00 - 400.00	135.00 - 400.00
Brand	Sigma	Sigma
Name	Sigma APO 135-400mm f/4.5-5.6 Aspherical	Sigma APO 135-400mm f/4.5-5.6 DG
Weight (g)	1245	1245
Aperture (f)	4.50 - 32.00	4.50 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	6.20 - 18.20	6.20 - 18.20
Lens Construction	13 elements in 11 groups, including 1 aspherical and 3 SLD elements	13 elements in 11 groups, including 1 aspherical and 3 SLD elements
Diameter (mm)	88.5	88.5
Focus Details	Internal	Internal