Sigma AF 300-800mm F5.6 EX APO HSM Specifications
Diagonal Angle of View:
8.2° - 3.1°
Number of Aperture Blades:
46mm rear filter
Hyper Sonic Motor, internal focus mechanism
Full Focus Throw:
rotary, internal zoom mechanism (no extension during zoom)
LH 1571-02 (round shape, screw fixed clip-on type)
"SigMonster" or "Sigmazilla"
The lens came with tripod collar.