Groups
6
Elements
7
Fluorite
No
Weight
4230g
Length mm
577
Diameter mm
154
Max Aperture
f/5.6
Min Aperture
f/32
Discontinued
Yes
Min Focus Distance
1400cm
Aperture Blades
9
Introduced
1981
Focal Length (Max)
800mm
Focal Length (Min)
800mm
Filter Drop In mm
48
Manual Focus Only
Yes
Max Magnification
0.057