SIGMA 100-300mm zoom lens, filter diameter 65mm, focal length 100-300mm, aperture f/4.5-6.7. - Brand: SIGMA - Model Name: 100-300mm f/4.5-6.7 DL - Filter Diameter: Φ65mm - Focal Length: 100-300mm - Lens Type: Zoom Lens Thank you for viewing. I am selling this lens to organize my telephoto lenses. The condition of the exterior is as shown in the images. There are some scratches due to aging, but it is relatively clean. It was working fine for taking pictures except for the non-functioning AF. Please note that it will be sent via Yu-Pack Plus with simple packaging. Focal length (wide side)···201mm〜 Single-lens reflex camera Telephoto lens Canon Sigma EF