Laowa GF 17mm F4 D-Dreamer Ultra-Wide GFX Zero-D Fujifilm GFX Medium Format Camera Mount: For Fujifilm G mount, ultra-wide angle lens Almost unused: Used about twice, no scratches or fogging on the lens. Contents: GF 17mm F4 D-Dreamer lens Rear cap Focal length: 17mm Maximum aperture: F4 Angle of view: 113° Lens construction: 14 elements in 21 groups (including 3 special low dispersion lenses and 2 aspherical lenses) Number of aperture blades: 5 Minimum focusing distance: 20cm Maximum magnification: 0.28x Focus: Manual focus (MF) Filter diameter: 86mm Size: 88 x 124.5mm Weight: Approximately 829g Mount: Fuji G Mount... G mount Focal length... 13-18mm Maximum aperture... 2.9-4 Other features... With rear lens cap 86mm UV filter included, K&F