NIKKOR DX 24/1.7. This is a single-focal-length lens with f/1.7, delivering excellent image quality from the widest aperture. - Brand: Z NIKKOR - Model: Z DX 24/1.7 - Lens Type: Single-focal-length - Focal Length: 24mm - Maximum Aperture: f/1.7 For Nikon Z mount. I am selling this due to a change in my camera system. Thank you.