Comparison of Canon EF 200mm ƒ/2.8L II USM and Pentax SMC DA* 50-135mm f/2.8 ED AL IF SDM [S]ave
| Attribute |  Canon EF 200mm ƒ/2.8L II USM × |  Pentax SMC DA* 50-135mm f/2.8 ED AL IF SDM × |
|---|---|---|
| Filter Size (mm) | 72 | 67 |
| Notes | Dedicated detachable hood included | Included Accessories: Lens Hood |
| Closest Focus (m) | 1.5 | 1 |
| Magnification Ratio (x) | 0.16 | 0.17 |
| Type | Telephoto Prime | Telephoto Zoom |
| Focus Details | Inner focusing; full-time manual focus and USM | Internal with "Quick Shift" AF/MF mechanism |
| APS Equivalent | 320mm | 76.5 - 207mm |
| Diameter (mm) | 83 | 76.5 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 200.00 | 50.00 - 135.00 |
| Brand | Canon | Pentax |
| Name | Canon EF 200mm ƒ/2.8L II USM | Pentax SMC DA* 50-135mm f/2.8 ED AL IF SDM |
| Weight (g) | 765 | 685 |
| Aperture (f) | 2.80 - 32.00 | 2.80 - 22.00 |
| Diaphragm Blades | 8 | 9 |
| Diagonal Angle of View (degree) | 12.00 | 11.90 - 31.50 |
| Length (mm) | 136 | 136 |
| Zoom System | - | Rotary |
| Lens Construction | 9 elements in 7 groups, including 2 UD elements | 18 elements in 14 groups, including 3 ED elements |
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