Comparison of Nikon 28-80mm f/3.3-5.6G AF Nikkor and Tamron AF 28-80mm f/3.5-5.6 Aspherical

Attribute	Tamron AF 28-80mm f/3.5-5.6 Aspherical ×	Nikon 28-80mm f/3.3-5.6G AF Nikkor ×
Filter Size (mm)	58	58
Aperture (f)	3.50 - 22.00	3.30 - 22.00
Closest Focus (m)	0.7	0.35
Magnification Ratio (x)	0.13	0.29
Type	Standard Zoom	Standard Zoom
Front Element Rotation	-	-
APS Equivalent	1.5x: 42 - 120mm; 1.6x: 44.8 - 128mm	42 - 120mm
Diameter (mm)	72	66
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 80.00	28.00 - 80.00
Brand	Tamron	Nikon
Name	Tamron AF 28-80mm f/3.5-5.6 Aspherical	Nikon 28-80mm f/3.3-5.6G AF Nikkor
Weight (g)	237	196
Diagonal Angle of View (degree)	30.00 - 75.00	30.00 - 74.00
Diaphragm Blades	6	7
Zoom System	Rotary	Rotary
Length (mm)	70.4	64
Notes	Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood	-
Lens Construction	7 elements in 7 groups	6 elements in 6 groups, including 1 aspherical element