This is a Canon F2.8 interchangeable L lens. It shows signs of use, but there are no operational issues. Based on a visual inspection, there appears to be no dust or mold, so you can use it immediately upon arrival. Please check the photos for details. Please understand that this item has been in someone else's possession, so please take that into consideration. EF17-35mm F2.8L USM Brand: Canon EF Lens Lens Type: Zoom Focal Range: Ultra-wide angle, Wide angle Optical Zoom: 2.05x Focus: Autofocus Mount: Canon EF Compatible Sensor Size (Max): Full Frame Focal Length (Wide): 17.0 mm Focal Length (Telephoto): 35.0 mm Maximum Aperture: F2.8 Minimum Focusing Distance (m): 0.42 m Image Stabilization: None Filter Compatibility: Yes Filter Diameter: 77.0 mm Dimensions (Maximum Diameter): 83.5 mm Dimensions (Length): 95.7 mm Weight (g): 545.0 g Color: Black ◎ Thank you for reading to the end (^^)