Sigma 500mm F4 Mirror Tele
Introduced ??

Details on these older lenses will follow as more information is recovered from the archives!

Focal Length 500mm
Maximum Aperture ƒ4
Minimum Aperture ƒ4
Field of View
Minimum Focus Distance
Number of blades
Maximum Magnification
Zooming System
Filter Size
Diameter ?
Length ?
Weight ?
SRP at launch: ?
Available Mounts: T-Mount