Comparison of Olympus 35-100mm f/2 PRO ED Zuiko Digital and Pentax SMC P-FA 300mm f/2.8 ED IF [S]ave
| Attribute |  Pentax SMC P-FA 300mm f/2.8 ED IF × |  Olympus 35-100mm f/2 PRO ED Zuiko Digital × |
|---|---|---|
| Diagonal Angle of View (degree) | 8.20 | 12.00 - 34.00 |
| Notes | Included Accessories: Case | Includes Lens Hood (LH-82) and Lens Case (LSH-1326) |
| Aperture (f) | 2.80 - 32.00 | 2.00 - 22.00 |
| Magnification Ratio (x) | - | 0.09 |
| Filter Size (mm) | 112 | 77 |
| APS Equivalent | 450mm | - |
| Closest Focus (m) | 2 | 1.4 |
| Focal Length (mm) | 300.00 | 35.00 - 100.00 |
| Diaphragm Blades | - | 9 |
| Brand | Pentax | Olympus |
| Image Circle | 35mm | Image Circle |
| Name | Pentax SMC P-FA 300mm f/2.8 ED IF | Olympus 35-100mm f/2 PRO ED Zuiko Digital |
| Weight (g) | 2660 | 1650 |
| Type | Telephoto Prime | Telephoto Zoom |
| Zoom System | - | Rotary |
| Lens Construction | 10 elements in 7 groups, including 1 ED element | 21 elements in 18 groups, including 1 Super ED element and 4 ED elements |
| Diameter (mm) | 135 | 96.5 |
| Length (mm) | 340 | 213.5 |
| Focus Details | Internal | - |
| 35mm Equivalent | - | 70 - 200mm |
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