Focal Length & Maximum Aperture
800mm f/5.6
Lens Construction
18 elements in 14 groups
Diagonal Angle of View
3° 5 (with full-frame sensor camera)
Focus Adjustment
Ring-type Ultrasonic Motor, with inner focus system; mechanical manual focus
Closest Focusing Distance
19.7 ft./6.0m (maximum close-up magnification: 0.14x)
Filter Size
52mm (Drop-in Gelatin Filter Holder)
Max. Diameter x Length, Weight
6.4 in. x 18.1 in./162mm x 461mm (maximum lens length); 9.9 lbs./4,500g