500mm f/6.3 Manual Focus Telephoto Lens Kit for Pentax K-Mount Camera Product Image
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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)