This lens is for GFX, although the category is X mount. It's a 17mm f4 ultra-wide-angle lens! Equivalent to 17mm on a full-frame camera, it becomes an approximately 13.5mm ultra-wide angle when used with GFX! This lens is known for its minimal distortion despite being an ultra-wide angle, and it has a minimum focusing distance of only 20cm, allowing you to shoot almost at zero distance from the lens tip! It's fun for landscapes and animal photography! Sample photos are included, so please take a look! There are no scratches, mold, or fogging on the lens. As it's an MF lens, there are, of course, no motor issues! Front and rear caps and a protective filter are included as a bonus! LAOWA 17mm F4 Ultra-Wide GFX Zero-D Brand: LAOWA Lens Type: Single Focal Length Focal Range: Ultra-Wide Angle Optical Zoom: 1.0x Focus: Manual Focus Mount: Fujifilm G Compatible Sensor Size (Max): Medium Format Focal Length (Wide): 17.0 mm Focal Length (Tele): 17.0 mm Maximum Aperture: f/4.0 Minimum Focusing Distance (m): 0.2 m Image Stabilization: None Filter Compatibility: Yes Filter Diameter: 86.0 mm Dimensions (Maximum Diameter): 88.0 mm Dimensions (Length): 124.5 mm Weight (g): 829.0 g Color: Black