- All-metal lens barrel
- Dust & splash-resistant design
- Rounded 7-blade diaphragm
Full-Frame | f/2.8 to f/22 Compact, Versatile Wide-Normal Prime Fast Internal Focus System I Series Lens All-Metal Lens Barrel Dust & Splash-Resistant Design Knurled Focus and Aperture Rings Rounded 7-Blade Diaphragm