500mm f/6.3 Manual Focus Telephoto Lens Kit for Pentax K-Mount Camera
Product Description
This Bower 500mm f/6.3 Manual Focus Lens is a catadioptric mirror T-mount lens, delivered with an adapter for Pentax K-mount system cameras.
When combined with the adapter, this mirror lens can be mounted to a Pentax K-mount series camera. However, the fixed f/6.3 aperture is not communicated to the camera body. As such, you can use the lens in "M" manual exposure mode only.
| Filter Size | 95mm front, 34mm rear |
| f/Stop Range | f/6.3 (fixed) |
| Minimum Focus Distance | 6.6' (2.0 m) |
| Magnification | Not Specified by Manufacturer |
| Angle of View | 4.1° x 2.7° (WxH) 2.6° x 1.7° (WxH) w/ APS-C (15 x 22mm) cameras |
| Groups/Elements | 6/7 |
| Length | 4.7" (120mm) |
| Maximum Diameter | 3.9" (98mm) |
| Weight | 1.55 lbs (705g) |