Comparison of Olympus 45mm f/1.2 Pro M.Zuiko Digital ED and Tamron SP AF 60mm ƒ/2.0 Di II LD IF Macro 1:1

Attribute	Olympus 45mm f/1.2 Pro M.Zuiko Digital ED ×	Tamron SP AF 60mm ƒ/2.0 Di II LD IF Macro 1:1 ×
Diagonal Angle of View (degree)	27.00	26.60
Aperture (f)	1.20 - 16.00	2.00 - 22.00
Diaphragm Blades Type	circular	-
Filter Size (mm)	62	55
Notes	Dustproof and splashproof; Included Accessories: Lens Hood (LH-66B), Lens Cap (LC-62F), Lens Rear Cap (LR-2), Lens Case (LSC-0811).	Available mounts: Canon, Nikon (with built-in AF motor), Sony; Includes lens hood.
APS Equivalent	-	1.5x: 90mm; 1.6x: 96mm
Type	Telephoto Prime	Telephoto Prime Macro
Diaphragm Blades	9	7
Lens Construction	14 elements in 10 groups, including 1 ED, 1 aspherical and 4 HR elements	14 elements in 10 groups
Image Circle	Image Circle	Image Circle
Focal Length (mm)	45.00	60.00
Brand	Olympus	Tamron
Name	Olympus 45mm f/1.2 Pro M.Zuiko Digital ED	Tamron SP AF 60mm ƒ/2.0 Di II LD IF Macro 1:1
Weight (g)	410	400
Diameter (mm)	70	73
Length (mm)	84.9	80
35mm Equivalent	90mm	-
Magnification Ratio (x)	0.1	1
Focus Details	-	Internal, with full-time manual focus override
Closest Focus (m)	0.5	0.23