Laowa Venus Optics 17mm f/4 GFX Zero-D Lens (for GFX)

FUJIFILM G Mount 13mm (35mm Equivalent) Aperture Range: f/4 to f/32 Three Extra-Low Dispersion Elements Two Aspherical Elements Frog Eye Dust & Water-Repellent Coating Manual Focus Design 5-Blade Diaphragm