Zoom Camera Lens Focal length: 420-800mm Aperture: F8.3-16 Structure: 4 pieces in 2 groups Recent focus: 1.5m Filter aperture: 67mm Lens size: Approximately 24 cm long and 6.8 cm wide (the longest stretching size of the lens is about 36 cm) Weight: 675g Lens type: pure manual lens The product is a T-port, equipped with a connector ring Supports full frame without anti-shake