Comparison of Konica Minolta AF 17-35mm f/2.8-4 D and Tamron SP AF 17-35mm f/2.8-4 Di

Attribute	Tamron SP AF 17-35mm f/2.8-4 Di ×	Konica Minolta AF 17-35mm f/2.8-4 D ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Diagonal Angle of View (degree)	63.00 - 104.00	63.00 - 104.00
Filter Size (mm)	77	77
Notes	Available mounts: Canon, Minolta-D, Nikon-D, Pentax; Includes petal type lens hood.	Included Accessories: Lens Hood
Type	Wide Zoom	Wide Zoom
Magnification Ratio (x)	0.19	0.19
APS Equivalent	1.5x: 25.5 - 52.5mm; 1.6x: 27.2 - 56mm	25.5 - 52.5mm
Focus Details	Internal	-
Image Circle	Image Circle	35mm
Focal Length (mm)	17.00 - 35.00	17.00 - 35.00
Brand	Tamron	Konica-minolta
Name	Tamron SP AF 17-35mm f/2.8-4 Di	Konica Minolta AF 17-35mm f/2.8-4 D
Weight (g)	440	430
Zoom System	Rotary	Rotary
Lens Construction	14 elements in 11 groups, including one Low Dispersion and three aspherical elements	14 elements in 11 groups
Diameter (mm)	83.2	83
Length (mm)	86.5	88.5
Diaphragm Blades	7	-
Closest Focus (m)	0.3	0.3