Comparison of Nikon 35-70mm f/2.8D AF Nikkor and Tamron SP AF 28-105mm f/2.8 LD Aspherical IF

Attribute	Tamron SP AF 28-105mm f/2.8 LD Aspherical IF ×	Nikon 35-70mm f/2.8D AF Nikkor ×
Diagonal Angle of View (degree)	24.00 - 75.00	34.20 - 62.30
Filter Size (mm)	82	62
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.5	0.28
Magnification Ratio (x)	0.21	0.25
Focus Details	Internal	-
Type	Standard Zoom	Standard Zoom
APS Equivalent	1.5x: 42 - 157.5mm; 1.6x: 44.8 - 168mm	52 - 105mm
Diaphragm Blades	9	7
Image Circle	35mm	35mm
Focal Length (mm)	28.00 - 105.00	35.00 - 70.00
Brand	Tamron	Nikon
Name	Tamron SP AF 28-105mm f/2.8 LD Aspherical IF	Nikon 35-70mm f/2.8D AF Nikkor
Weight (g)	880	675
Zoom System	Rotary with "Anti-Slip Mode"	Push-Pull
Length (mm)	112	94
Diameter (mm)	87	71
Front Element Rotation	-	-
Notes	Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Case	-
Lens Construction	15 elements in 13 groups, including 4 aspherical and 3 LD elements	15 elements in 12 groups