Pentax-FA HD Limited 43mm F/1.9 (K-Mount) LEN1237

K-Mount Lens/Full-Frame Format Aperture Range: f/1.9 to f/22 High-Grade PENTAX HD Multi-Layer Coating 7 Elements in 6 Groups Super Protect SP Coating 8-Blade Round Diaphragm Lens Hood Included Pancake Form Factor Filter Size: 49mm