Comparison of Olympus 75-300mm ƒ/4.8-6.7 II ED M.Zuiko Digital and Pentax SMC P-FA 100-300mm f/4.7-5.8 [S]ave
| Attribute |  Pentax SMC P-FA 100-300mm f/4.7-5.8 × |  Olympus 75-300mm ƒ/4.8-6.7 II ED M.Zuiko Digital × |
|---|---|---|
| Magnification Ratio (x) | 0.26 | 0.18 |
| Filter Size (mm) | 58 | 58 |
| Length (mm) | 130 | 116.5 |
| Closest Focus (m) | 1.5 | 0.9 |
| Zoom System | Rotary | Rotary |
| Diameter (mm) | 71 | 69 |
| Image Circle | 35mm | Micro Four Thirds |
| Diaphragm Blades Type | - | rounded |
| Name | Pentax SMC P-FA 100-300mm f/4.7-5.8 | Olympus 75-300mm ƒ/4.8-6.7 II ED M.Zuiko Digital |
| Brand | Pentax | Olympus |
| Weight (g) | 411 | 423 |
| Type | Telephoto Zoom | Telephoto Zoom |
| Focus Details | - | Rear focusing with High-speed Imager AF (MSC) |
| Notes | - | Updated design includes ZERO-Coating. Included Accessores: Lens caps; Optional: Lens hood, lens case. |
| Focal Length (mm) | 100.00 - 300.00 | 75.00 - 300.00 |
| Aperture (f) | 4.70 - 32.00 | 4.80 - 22.00 |
| Diaphragm Blades | - | 7 |
| Diagonal Angle of View (degree) | 8.20 - 24.50 | 4.10 - 16.00 |
| Lens Construction | 11 elements in 9 groups | 18 elements in 13 groups, including 2 ED, 1 Super ED, and 3 HR elements |
| APS Equivalent | 150 - 450mm | - |
| 35mm Equivalent | - | 150 - 600mm |
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