Comparison of Canon EF 55-200mm f/4.5-5.6 II USM and Pentax 50-200mm f/4-5.6ED SMC DA WR [S]ave
| Attribute |  Canon EF 55-200mm f/4.5-5.6 II USM × |  Pentax 50-200mm f/4-5.6ED SMC DA WR × |
|---|---|---|
| Aperture (f) | 4.50 - 29.00 | 4.00 - 32.00 |
| Magnification Ratio (x) | 0.17 | 0.24 |
| Filter Size (mm) | 52 | 49 |
| Front Element Rotation | - | - |
| Closest Focus (m) | 1.2 | 1.1 |
| Diameter (mm) | 70.4 | 69 |
| Type | Telephoto Zoom | Telephoto Zoom |
| APS Equivalent | 88 - 320mm | 75 - 300mm |
| Diaphragm Blades | 6 | 6 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 55.00 - 200.00 | 50.00 - 200.00 |
| Brand | Canon | Pentax |
| Name | Canon EF 55-200mm f/4.5-5.6 II USM | Pentax 50-200mm f/4-5.6ED SMC DA WR |
| Weight (g) | 310 | 285 |
| Diagonal Angle of View (degree) | 12.00 - 43.00 | 8.10 - 31.50 |
| Lens Construction | 13 elements in 13 groups | 11 elements in 10 groups, including 1 ED element |
| Zoom System | Rotary | Rotary |
| Length (mm) | 97.3 | 79.5 |
| Notes | - | Weather-resistant construction. Included Accessories: Lens Hood |
| Focus Details | USM | "Quick Shift" AF/MF mechanism |
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