Groups
3
Elements
6
Weight
705g
Length mm
146
Diameter mm
90
Max Aperture
f/8
Catadioptric
Yes
Discontinued
Yes
Min Focus Distance
400cm
Aperture Fixed
Yes
Introduced
1980
Focal Length (Max)
500mm
Focal Length (Min)
500mm
Filter Drop In mm
34
Manual Focus Only
Yes
Max Magnification
0.14