Specifications:
Lens Construction: 7 Elements in 6 Groups
Maximum Diameter: 98.0mm or 3.86 Inches
Length: 119.5mm or 4.70 Inches
Filter Size (Front): 95mm
Minimum Focusing Distance: 2.0m or 6.1 ft.
Fixed Aperture: f/6.3
Lens Type: Manual
Weight: 705g or 24.87 oz.
T-Mount Adapter Required and Included
This Lens is compatible with all DSLR Cameras


Package Include:
500mm f6.3 Mirror Lens
Nylon Lens Pouch
Front and Rear Lens Caps
pentax pk T-mount Adapter