INCLUDED - Venus Laowa 9mm f/2.8 Zero-D Lens, Front/Rear Caps, 49mm Tiffen ND Filter Kit, Cleaning Kit, Microfiber Cloth & Venus 3 Year Warranty for a complete photography solution. SUPERIOR IMAGES - Capture stunning, distortion-free ultra-wide shots with the 9mm focal length and close-to-zero distortion design, perfect for landscapes and architecture. INCREDIBLE CLARITY - Experience exceptional image quality with 15 elements in 10 groups, including 2 aspherical elements, and Frog Eye Coating for sharper, clearer results. VERSATILE APERTURE - Achieve creative control with a wide f/2.8 aperture for low-light performance and shallow depth of field, down to f/22 for expansive landscapes.