Groups
7
Elements
7
Fluorite
No
Weight
1235g
Length mm
208
Breech Lock
Yes
Diameter mm
85
Max Aperture
f/4
Min Aperture
f/32
Discontinued
Yes
Min Focus Distance
300cm
Aperture Blades
9
Introduced
1978
Focal Length (Max)
300mm
Focal Length (Min)
300mm
Filter Drop In mm
34
Manual Focus Only
Yes
Max Magnification
0.11
Anomalous Dispersion Glass
Yes