- Focal Length & Maximum Aperture:500mm f/4.0
- Lens Construction:16 elements in 12 groups (Including drop-in rear filter, Fluorite: G2 and G4, UD Lens: None)
- Diagonal Angle of View:5°
- Focus Adjustment:Inner focusing system, with focusing cam
- Closest Focusing Distance:3.7m / 12.14 ft.
- Filter Size:52mm Drop-In
- Max. Diameter x Length, Weight:5.7 x 15.1, approx. 112.5 oz. / 146 x 383mm, approx. 3190g