Comparison of Konica Minolta AF 28-75mm f/2.8 D and Sigma 28-70mm f/2.8 EX DG

Attribute	Konica Minolta AF 28-75mm f/2.8 D ×	Sigma 28-70mm f/2.8 EX DG ×
Zoom System	Rotary	Rotary with lock
Aperture (f)	2.80 - 32.00	2.80 - 22.00
Diagonal Angle of View (degree)	32.00 - 75.00	34.30 - 75.40
Filter Size (mm)	67	67
Notes	Included Accessories: Lens Hood	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax
Type	Standard Zoom	Standard Zoom
Magnification Ratio (x)	0.26	0.23
APS Equivalent	42 - 112.5mm	1.5x: 42 - 105mm; 1.6x: 44.8 - 112mm
Lens Construction	16 elements in 14 groups	14 elements in 12 groups, including 4 aspherical and 2 SLD elements
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 75.00	28.00 - 70.00
Brand	Konica-minolta	Sigma
Name	Konica Minolta AF 28-75mm f/2.8 D	Sigma 28-70mm f/2.8 EX DG
Weight (g)	510	510
Diameter (mm)	73	74
Length (mm)	94	87.2
Diaphragm Blades	-	9
Closest Focus (m)	0.33	0.33