Comparison of Pentax SMC DA 70mm f/2.4 Limited and Sony 85mm f/2.8 SAM SAL85F28 [S]ave
| Attribute |  Sony 85mm f/2.8 SAM SAL85F28 × |  Pentax SMC DA 70mm f/2.4 Limited × |
|---|---|---|
| Diagonal Angle of View (degree) | 29.00 | 23.00 |
| Filter Size (mm) | 55 | 49 |
| Aperture (f) | 2.80 - 22.00 | 2.40 - 22.00 |
| Closest Focus (m) | 0.6 | 0.7 |
| Magnification Ratio (x) | 0.2 | 0.12 |
| Type | Telephoto Prime | Telephoto Prime |
| Focus Details | Smooth Autofocus Motor (SAM) | Quick-Shift Focus System |
| APS Equivalent | 127.5mm | 107mm |
| Diaphragm Blades | 7 | 9 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 85.00 | 70.00 |
| Brand | Sony | Pentax |
| Name | Sony 85mm f/2.8 SAM SAL85F28 | Pentax SMC DA 70mm f/2.4 Limited |
| Weight (g) | 175 | 130 |
| Diameter (mm) | 70 | 63 |
| Length (mm) | 52 | 26 |
| Notes | Sony Alpha SLR Mount. Included Accessories: Lens Hood | - |
| Lens Construction | 5 elements in 4 groups | 6 elements in 5 groups |
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