Unused, New Purchased in December 2024 from (Yo〇〇〇--La), only opened for inspection, unused. Includes lens manufacturer's warranty. Purchase receipt included. This is a manual focus lens, and I am not good at using manual focus, so I am selling it. Please feel free to negotiate the price. Meike Optics TTArtisan 10mm f/2C RF (B) [Single-focus lens TTArtisan 10mm f/2 C ASPH. Canon RF mount Black] An ultra-wide-angle lens for APS-C with good image quality and a bright f-stop. Specifications Minimum focusing distance: 25cm Mount: Canon RF Focal length (single focus): 16mm Maximum aperture: f/2 Filter diameter: 72mm Weight: 345g Other ● Focus: MF (Manual Focus) ● Lens construction: 10 groups, 13 elements (2 ASPH aspherical lenses, 2 high-refraction lenses) ● Compatible image sensor size: APS-C ● Aperture: F2-F16 ● Aperture blades: 8 ● Accessories: Filter holder, front cap x 2, rear cap ● Size: Φ approx. 63mm x approx. 61mm (excluding mount) ● Note: Please turn "Release w/o lens" to "ON" in the camera's "Menu" when using.