- Two sld elements, three fld elements
- Rounded 9-blade diaphragm
- 24mm (full-frame equivalent)
APS-C | f/1.4 to f/16 24mm (Full-Frame Equivalent) Rounded 9-Blade Diaphragm Stepping Motor AF System Super Multi-Layer Coating Two Aspherical Elements Two SLD Elements, Three FLD Elements Weather-Sealed Construction