Comparison of Canon EF-S 55-250mm f/4-5.6 IS and Pentax 55-300mm f/4-5.8 ED SMC DA [S]ave
| Attribute |  Pentax 55-300mm f/4-5.8 ED SMC DA × |  Canon EF-S 55-250mm f/4-5.6 IS × |
|---|---|---|
| Filter Size (mm) | 58 | 58 |
| Notes | Included Accessories: Lens Hood | Image Stabilization |
| Closest Focus (m) | 1.4 | 1.1 |
| Magnification Ratio (x) | 0.28 | 0.34 |
| Type | Telephoto Zoom | Telephoto Zoom |
| Length (mm) | 111.5 | 108 |
| APS Equivalent | 82.5 - 450mm | 88 - 400mm |
| Zoom System | Rotary | Rotary |
| Image Circle | APS-C | APS-C |
| Focal Length (mm) | 55.00 - 300.00 | 55.00 - 250.00 |
| Brand | Pentax | Canon |
| Name | Pentax 55-300mm f/4-5.8 ED SMC DA | Canon EF-S 55-250mm f/4-5.6 IS |
| Weight (g) | 440 | 390 |
| Aperture (f) | 4.00 - 32.00 | 4.00 - 32.00 |
| Diaphragm Blades | 6 | 7 |
| Diagonal Angle of View (degree) | 5.40 - 29.00 | 6.30 - 27.80 |
| Lens Construction | 12 elements in 8 groups, including ED elements | 12 elements in 10 groups, including 1 UD element |
| Diameter (mm) | 71 | 70 |
| Focus Details | Quick-shift Focus System | AF (DC motor), with manual focus option |
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