SONY E 20mm prime lens for Sony only F2.8 E-mount, APS-C (SEL20F28)

Size: Maximum diameter φ62.6mm, total length 20.4mm Mass: Approx. 69g Lens mount: Sony E-mount Compatible image sensor size: APS-C size Focal length (mm): 20 Lens construction (groups-elements): 6 elements in 6 groups Angle of view (APS-C): 70° Maximum aperture (F-number): 2.8 Minimum aperture (F-number): 16 Number of aperture blades: 7