High-performance zoom lens covering wide-angle to standard focal lengths. - Brand: Canon - Model Name: RF 14-35mm F4 L IS USM - Filter Diameter: 77mm - Lens Type: Zoom Lens Used for shooting only three times after purchase. Although it's a layman's assessment, I don't see any mold or dust. Includes an unopened Canon genuine lens pouch and a protector as a bonus! Thank you for looking.