Comparison of Olympus 75-300mm ƒ/4.8-6.7 ED M.Zuiko Digital and Tamron AF 70-300mm f/4-5.6 LD Macro 1:2

Attribute	Tamron AF 70-300mm f/4-5.6 LD Macro 1:2 ×	Olympus 75-300mm ƒ/4.8-6.7 ED M.Zuiko Digital ×
Aperture (f)	4.00 - 22.00	4.80 - 22.00
Filter Size (mm)	62	58
Notes	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood	Included Accessores: Lens Hood
Closest Focus (m)	0.95	0.9
Magnification Ratio (x)	0.5	0.18
Zoom System	Rotary	Rotary
APS Equivalent	1.5x: 105 - 450mm; 1.6x: 112 - 480mm	-
Focal Length (mm)	70.00 - 300.00	75.00 - 300.00
Diaphragm Blades	9	7
Brand	Tamron	Olympus
Image Circle	35mm	Micro Four-Thirds
Name	Tamron AF 70-300mm f/4-5.6 LD Macro 1:2	Olympus 75-300mm ƒ/4.8-6.7 ED M.Zuiko Digital
Weight (g)	435	430
Type	Telephoto Zoom	Telephoto Zoom
Diaphragm Blades Type	-	rounded
Lens Construction	13 elements in 9 groups, including 1 LD element	18 elements in 13 groups, including 2 ED and 3 HR elements
Diagonal Angle of View (degree)	8.00 - 34.00	4.10 - 16.00
Focus Details	-	Rear focusing with high-speed, silent AF (MSC)
Diameter (mm)	76.6	70
Length (mm)	116.5	116
Front Element Rotation	-	-
35mm Equivalent	-	150 - 600mm