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500mm f/6.3 Manual Focus Telephoto Lens Kit for Pentax K-Mount Camera
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
|Maximum Diameter||3.9" (98mm)|
|Weight||1.55 lbs (705g)|