Lightdow Telephoto Zoom Lens DSLR Camera Lens 420-800mm f/8.3-16 Filter Diameter: 67mm Minimum Focusing Distance: 3m With T-ring adapter (T2-EOS) Includes storage bag ◉ Opened but unused. Please refer to the photos as I don't have much detailed information. 【Full Manual Telephoto Zoom Lens】 420-800mm telephoto zoom lens. This lens is a full manual lens without electronic contacts, so the camera cannot detect the lens after it is attached, and autofocus is not possible. To use the lens correctly, switch to manual (M) mode and then set it manually. 1. You need to rotate the lens's focus ring to focus. 2. Adjust the ISO and shutter speed (the lens aperture cannot be adjusted and varies depending on the focal length).