Focal length: 105mm. 35mm equivalent: 54mm. Optical formula: 6 elements, 5 groups. Field of view: 46°/37° (Diagonal/Horizontal) Aperture: 2.4 ~ 22 (9 blades) Close distance: 100cm. Filter: 67mm, screw-in and bayonet. Hood: PH-SB 67mm. No. 6230395