Comparison of Konica Minolta AF 17-35mm f/3.5 G and Sigma 17-35mm f/2.8-4 EX DG Aspherical HSM

Attribute	Konica Minolta AF 17-35mm f/3.5 G ×	Sigma 17-35mm f/2.8-4 EX DG Aspherical HSM ×
Diagonal Angle of View (degree)	63.00 - 104.00	63.40 - 103.70
Zoom System	Rotary	Rotary
Filter Size (mm)	77	77
Aperture (f)	3.50 - 22.00	2.80 - 22.00
Type	Wide Zoom	Wide Zoom
Magnification Ratio (x)	0.17	0.22
APS Equivalent	25.5 - 52.5mm	1.5x: 25.5 - 52.5mm; 1.6x: 27.2 - 56mm
Diaphragm Blades	-	8
Image Circle	35mm	35mm
Focal Length (mm)	17.00 - 35.00	17.00 - 35.00
Brand	Konica-minolta	Sigma
Name	Konica Minolta AF 17-35mm f/3.5 G	Sigma 17-35mm f/2.8-4 EX DG Aspherical HSM
Weight (g)	600	560
Diameter (mm)	82.5	83.5
Lens Construction	15 elements in 12 groups	16 elements in 13 groups, including 2 aspherical and 1 SLD elements
Focus Details	-	Internal Focus; HSM with full-time manual override
Length (mm)	90.5	88.7
Notes	-	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Closest Focus (m)	0.3	0.27