- Dual af system: linear & stepping motors
- 9-bladed circular diaphragm
- Dust- and splash-resistant design
- Linear focus motor for instant focus
Full-Frame | f/2.8 to f/22 Fast Macro Prime Dual AF System: Linear & Stepping Motors 1:1 Magnification, 8" Minimum Focus Two UED Elements, One ED Element Three Aspherical Elements 9-Bladed Circular Diaphragm Dust- and Splash-Resistant Design