Its zoom range covers wide-to-moderate tele, and its constant f/4 aperture is sort of fast. But optical performance at the 35mm focal length is excellent, with no vignetting at all.
Pentax describes the 17-70mm f/4 lens as a “standard lens with extra zoom,” a cute catch phrase. But “standard zooms,” as they’re called, are one of the most popular lens groups. Using focal lengths from wide to tele really covers a lot of shooting, including scenery, snapshots and portraiture, making the standard zooms very useful.
Read more| Lens Type: | Zoom |
| Compatibility: | Digital Only |
| Range: | Wide Angle Normal Telephoto |
| Mount: | Pentax |
| Auto Focus: | Yes |
| Full-Time Manual Focus Override: | Yes |
| Silent AF: | Yes |
| Zoom: | Yes |
| Minimum Focal Length: | 17 mm |
| Maximum Focal Length: | 70 mm |
| Fastest Aperture: | f/4.0 |
| Slowest Aperture: | f/22.0 |
| Image Stabilization: | No |
| Elements: | 17 |
| Groups: | 12 |
| Filter Size: | 67mm |
| Length: | 3.7 inches |
| Weight: | 1.1 ounces |
| Price: | $480.00 |
| Tripod Collar: | No |
| Included Case: | No |
| Macro: | No |
| Tilt/Shift: | No |
| Model Number: | |
| SKU: |
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