Comparison of Konica Minolta AF 20-35mm f/3.5-4.5 and Tamron AF 19-35mm f/3.5-4.5

Attribute	Tamron AF 19-35mm f/3.5-4.5 ×	Konica Minolta AF 20-35mm f/3.5-4.5 ×
Diagonal Angle of View (degree)	63.00 - 97.00	63.00 - 94.00
Zoom System	Rotary	Rotary
Filter Size (mm)	77	72
Aperture (f)	3.50 - 22.00	3.50 - 27.00
Type	Wide Zoom	Wide Zoom
Magnification Ratio (x)	0.08	0.08
APS Equivalent	1.5x: 28.5 - 52.5mm; 1.6x: 30.4 - 56mm	30 - 52.5mm
Diaphragm Blades	8	-
Image Circle	35mm	35mm
Focal Length (mm)	19.00 - 35.00	20.00 - 35.00
Brand	Tamron	Konica-minolta
Name	Tamron AF 19-35mm f/3.5-4.5	Konica Minolta AF 20-35mm f/3.5-4.5
Weight (g)	317	325
Diameter (mm)	83.2	77.5
Lens Construction	13 elements in 11 groups	13 elements in 11 groups
Focus Details	Internal	-
Length (mm)	67.7	69.5
Notes	Available AF Mounts: Canon, Minolta, Nikon	-
Closest Focus (m)	0.5	0.5