Comparison of Nikon 28-105mm f/3.5-4.5D AF Nikkor and Tamron SP AF 24-135mm f/3.5-5.6 AD Aspherical IF Macro

Attribute	Tamron SP AF 24-135mm f/3.5-5.6 AD Aspherical IF Macro ×	Nikon 28-105mm f/3.5-4.5D AF Nikkor ×
Filter Size (mm)	72	62
Closest Focus (m)	0.4	0.22
Magnification Ratio (x)	0.3	0.5
Focus Details	-	Internal
Front Element Rotation	-	-
Zoom System	Rotary	Rotary
Lens Construction	14 elements in 10 groups	16 elements in 13 groups, including 1 aspheric element
Focal Length (mm)	24.00 - 135.00	28.00 - 105.00
APS Equivalent	1.5x: 36 - 202.5mm; 1.6x: 38.4 - 216mm	42 - 158mm
Brand	Tamron	Nikon
Image Circle	35mm	35mm
Name	Tamron SP AF 24-135mm f/3.5-5.6 AD Aspherical IF Macro	Nikon 28-105mm f/3.5-4.5D AF Nikkor
Weight (g)	530	454
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 22.00	3.50 - 22.00
Diaphragm Blades	7	9
Diagonal Angle of View (degree)	18.00 - 84.00	23.30 - 74.30
Length (mm)	80.6	81
Notes	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood	-
Diameter (mm)	78.5	71