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
L-Mount Lens/Full-Frame Format | Aperture Range: f/1.8 to f/16 | Three Aspherical Elements | Linear AF Motor | Rounded 9-Blade Diaphragm | Weather-Sealed Construction