Comparison of Tamron AF 70-300mm f/4-5.6 LD Macro 1:2 and Tamron AF 75-300mm f/4-5.6 LD Macro

Attribute	Tamron AF 75-300mm f/4-5.6 LD Macro ×	Tamron AF 70-300mm f/4-5.6 LD Macro 1:2 ×
Magnification Ratio (x)	0.26	0.5
Filter Size (mm)	62	62
Front Element Rotation	-	-
Closest Focus (m)	1.5	0.95
Lens Construction	13 elements in 9 groups	13 elements in 9 groups, including 1 LD element
Length (mm)	118.7	116.5
Focal Length (mm)	75.00 - 300.00	70.00 - 300.00
Diagonal Angle of View (degree)	8.00 - 33.00	8.00 - 34.00
Brand	Tamron	Tamron
Image Circle	35mm	35mm
Name	Tamron AF 75-300mm f/4-5.6 LD Macro	Tamron AF 70-300mm f/4-5.6 LD Macro 1:2
Weight (g)	435	435
Type	Telephoto Zoom	Telephoto Zoom
Notes	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood
APS Equivalent	1.5x: 112 - 450mm; 1.6x: 120 - 480mm	1.5x: 105 - 450mm; 1.6x: 112 - 480mm
Aperture (f)	4.00 - 22.00	4.00 - 22.00
Diaphragm Blades	9	9
Zoom System	Rotary	Rotary
Diameter (mm)	76.6	76.6