Attribute | Tamron 70-200mm f/2.8 Di LD IF Macro SP AF × | Olympus 40-150mm ƒ/2.8 Pro M.Zuiko Digital ED × |
---|---|---|
Aperture (f) | 2.80 - 32.00 | 2.80 - 22.00 |
Diaphragm Blades Type | - | rounded |
Filter Size (mm) | 77 | 72 |
Notes | Available mounts: Canon, Nikon, Pentax, Sony; Included accessories: Petal-shaped lens hood | Dust, splash and freezeproof construction; Function button, manual focus clutch |
Focus Details | Internal Focusing; One-touch AF/MF Switchover mechanism (for Canon and Nikon only) | - |
Type | Telephoto Zoom | Telephoto Zoom |
Diaphragm Blades | 9 | 9 |
Diameter (mm) | 89.5 | 79.4 |
Image Circle | 35mm | Image Circle |
Focal Length (mm) | 70.00 - 200.00 | 40.00 - 150.00 |
Brand | Tamron | Olympus |
Name | Tamron 70-200mm f/2.8 Di LD IF Macro SP AF | Olympus 40-150mm ƒ/2.8 Pro M.Zuiko Digital ED |
Weight (g) | 1100 | 760 |
Diagonal Angle of View (degree) | 12.30 - 34.30 | 8.20 - 30.00 |
Lens Construction | 18 elements in 13 groups, including 3 LD (low dispersion) elements | 16 elements in 10 groups, including 1 aspherical ED, 2 aspherical, 1 SED, 1 HD and 3 ED elements |
Zoom System | Rotary | Rotary |
Closest Focus (m) | 0.95 | 0.7 |
35mm Equivalent | - | 80 - 300mm |
Length (mm) | 194.3 | 160 |
APS Equivalent | 1.5x: 105 - 300mm; 1.6x: 112 - 320mm | - |
Magnification Ratio (x) | 0.32 | 0.21 |