- Hd nano multilayer coating
- 9-blade diaphragm
- Firmware updatable via usb-c port
Full-Frame | f/1.8 to f/16 Fast Wide-Angle Prime STM Stepper Motor, Supports Eye AF Lightweight Internal Focus System HD Nano Multilayer Coating Minimum Focusing Distance: 14.6" 9-Blade Diaphragm Firmware Updatable via USB-C Port