Groups
6
Elements
7
Fluorite
Yes
Ud Glass
Yes
Weight
2950g
Length mm
395
Breech Lock
Yes
Diameter mm
127
Max Aperture
f/4.5
Min Aperture
f/32
Discontinued
Yes
Min Focus Distance
400cm
Aperture Blades
9
Introduced
1979
Focal Length (Max)
500mm
Focal Length (Min)
500mm
Filter Drop In mm
48
Manual Focus Only
Yes
Max Magnification
0.14