- Weather-sealed brass bayonet mount
- 3 fld, 3 sld, and 3 aspherical elements
- Rounded 9-blade diaphragm
- Dust- and splash-proof construction with weather sealing
- Virtually zero distortion at infinity focus
F-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 3 FLD, 3 SLD, and 3 Aspherical Elements Super Multi-Layer Coating Hyper Sonic AF Motor, Manual Override Weather-Sealed Brass Bayonet Mount Rounded 9-Blade Diaphragm Minimum Focus Distance: 25.9cm