Comparison of Olympus 40-150mm f/3.5-4.5 Zuiko Digital and Tamron AF 28-105mm f/4-5.6 IF [S]ave
| Attribute |  Olympus 40-150mm f/3.5-4.5 Zuiko Digital × |  Tamron AF 28-105mm f/4-5.6 IF × |
|---|---|---|
| Filter Size (mm) | 58 | 62 |
| Notes | Includes Lens Hood (LH-61B); Compatible with TC-14 Teleconverter and EX-25 Extension Tube | Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood |
| Closest Focus (m) | 1.5 | 0.5 |
| Magnification Ratio (x) | 0.12 | 0.18 |
| APS Equivalent | - | 1.5x: 42-157.5mm; 1.6x: 44.8-168mm |
| Front Element Rotation | - | - |
| Focal Length (mm) | 40.00 - 150.00 | 28.00 - 105.00 |
| Zoom System | Rotary | Rotary |
| Brand | Olympus | Tamron |
| Image Circle | Image Circle | 35mm |
| Name | Olympus 40-150mm f/3.5-4.5 Zuiko Digital | Tamron AF 28-105mm f/4-5.6 IF |
| Weight (g) | 425 | 305 |
| Type | Telephoto Zoom | Standard Zoom |
| Aperture (f) | 3.50 - 22.00 | 4.00 - 22.00 |
| Diaphragm Blades | 7 | 6 |
| Diagonal Angle of View (degree) | 8.20 - 30.00 | - |
| Lens Construction | 13 elements in 10 groups | 15 elements in 12 groups |
| Diameter (mm) | 77 | 71 |
| Length (mm) | 107 | 73 |
| Focus Details | - | Internal |
| 35mm Equivalent | 80 - 300mm | - |
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