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