This DA-star lens has O-rings and gaskets to repel moisture and dust. Plus, the lenshood has a clever finger window that slides off to allow access to filters.
One of Pentax's top rated DA* ("DA star") lenses, and a stablemate to the well-reviewed 200mm f/2.8, this 450mm equivalent ($1,300 street) is a digital-only prime for APS-sensored DSLRs. It incorporates O-rings and gaskets to repel moisture and dust, Pentax's "Super Protective" SP coating that makes easy work of removing front-element smudges, and extra-low-dispersion glass for added sharpness. It also has the Pentax sonic-drive autofocus motor (SDM) that adds speed and cuts AF noise, but only on newer Pentax bodies (K100D owners will be disappointed).
Read more| Lens Type: | Prime |
| Compatibility: | Digital Only |
| Range: | Super Telephoto |
| Mount: | Pentax |
| Auto Focus: | Yes |
| Full-Time Manual Focus Override: | Yes |
| Silent AF: | Yes |
| Zoom: | No |
| Minimum Focal Length: | 300 mm |
| Maximum Focal Length: | 300 mm |
| Fastest Aperture: | f/4.0 |
| Slowest Aperture: | f/32.0 |
| Image Stabilization: | No |
| Elements: | 8 |
| Groups: | 6 |
| Filter Size: | 77mm |
| Length: | 7.2 inches |
| Weight: | 37.7 ounces |
| Price: | $1120.00 |
| Tripod Collar: | No |
| Included Case: | Yes |
| Macro: | No |
| Tilt/Shift: | No |
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