FUJIFILM X Mount/APS-C Format | 49.5mm (35mm Equivalent) | Aperture Range: f/0.95 to f/11 | 1 x ED Element, 1 x Aspherical Element | 3 x Ultra-High Refraction Elements | Long Focus Throw, Internal Focus Design | Minimum Focus Distance: 13.8" | Stepless Aperture Ring | Filter Size: 62mm | Aperture Blades: 9