APS-C Format | f/2.2 to f/16 | 135mm (Full-Frame Equivalent) | Short Telephoto Prime Lens | Minimum Focusing Distance: 2.4' | 10 Elements in 8 Groups | Noiseless STM Stepping Motor
APS-C Format | f/1.8 to f/16 | 112.5mm (Full-Frame Equivalent) | Fast Telephoto Prime Lens | Minimum Focusing Distance: 2.4' | 11 Elements in 9 Groups | Noiseless STM Stepping Motor
Full-Frame | f/1.8 to f/16 | Fast Wide-Angle Prime | Quiet STM Stepper Motor | De-Clicked Aperture Ring | 11-Blade Diaphragm | 1 Customizable Function Button