Comparison of Olympus 90-250mm f/2.8 PRO ED Zuiko Digital and Tokina 300mm f/2.8 AT-X 300 AF PRO [S]ave
| Attribute |  Olympus 90-250mm f/2.8 PRO ED Zuiko Digital × |  Tokina 300mm f/2.8 AT-X 300 AF PRO × |
|---|---|---|
| Diagonal Angle of View (degree) | 5.00 - 14.00 | 8.20 |
| Notes | Includes Lens Hood (LH-120B) and Lens Case (LSH-1738) | Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Fitted Soft Case |
| Aperture (f) | 2.80 - 22.00 | 2.80 - 32.00 |
| Magnification Ratio (x) | 0.08 | - |
| Filter Size (mm) | 105 | 112 |
| APS Equivalent | - | 1.5x: 450mm; 1.6x: 480mm |
| Closest Focus (m) | 2.5 | 2.4 |
| Focal Length (mm) | 90.00 - 250.00 | 300.00 |
| Diaphragm Blades | 9 | 9 |
| Brand | Olympus | Tokina |
| Image Circle | Image Circle | 35mm |
| Name | Olympus 90-250mm f/2.8 PRO ED Zuiko Digital | Tokina 300mm f/2.8 AT-X 300 AF PRO |
| Weight (g) | 3270 | 2300 |
| Type | Telephoto Zoom | Telephoto Prime |
| Zoom System | Rotary | - |
| Lens Construction | 17 elements in 12 groups, including 3 ED elements | 9 elements in 7 groups, including 2 SD elements |
| Diameter (mm) | 124 | 117 |
| Length (mm) | 276 | 187 |
| Focus Details | - | Internal |
| 35mm Equivalent | 180 - 500mm | - |
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