Comparison of Pentax 16-85mm f/3.5-5.6 ED DC WR DA and Sony 28-75mm f/2.8 SAM SAL-2875 [S]ave
| Attribute |  Pentax 16-85mm f/3.5-5.6 ED DC WR DA × |  Sony 28-75mm f/2.8 SAM SAL-2875 × |
|---|---|---|
| Aperture (f) | 3.50 - 38.00 | 2.80 - 32.00 |
| Filter Size (mm) | 72 | 67 |
| Notes | HD Coating, SP (Super Protect) Coating, Weather-Resistant, Quick-shift Focus, Filter Window | Zoom Lock Switch. Included Accessories: ALC-SH109 Petal Lens Hood |
| Closest Focus (m) | 0.35 | 0.38 |
| Magnification Ratio (x) | 0.26 | 0.22 |
| Zoom System | Rotary | Rotary |
| Type | Standard Zoom | Standard Zoom |
| APS Equivalent | 24.5 - 130mm | 42 - 112.5mm |
| Diaphragm Blades | 7 | 7 |
| Image Circle | APS-C | 35mm |
| Focal Length (mm) | 16.00 - 85.00 | 28.00 - 75.00 |
| Brand | Pentax | Sony |
| Name | Pentax 16-85mm f/3.5-5.6 ED DC WR DA | Sony 28-75mm f/2.8 SAM SAL-2875 |
| Weight (g) | 517 | 565 |
| Diaphragm Blades Type | rounded | rounded |
| Lens Construction | 16 elements in 12 groups, including 1 extra-low dispersion glass element and 3 aspherical elements | 16 elements in 14 groups, including 4 aspheric and 3 ED elements |
| Diagonal Angle of View (degree) | 19.00 - 83.00 | 34.00 - 75.00 |
| Length (mm) | 94 | 94 |
| Diameter (mm) | 78 | 77.5 |
| Focus Details | Quick-Shift system for fast changing between auto and manual focusing, with ability to manually override focus at any point | Smooth Autofocus Motor (SAM) with AF/MF switch |
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