BENOISON 420-800mm Telephoto Lens – EF Lens for Canon, Manual Zoom Lens for Canon EOS Rebel T8i T7i T7 T6 T6s T6i T3i T2i SL3 SL2 90D 80D 77D 4000D,1DX 5D 6D Mark II/III/IV DLSR Camera

• 【Note】: This EF-mount is not for Canon mirrorless camera. Please check your camera model and lens mount carefully before placing an order. Besides, please note that this is NOT an autofocus lens. It is a FULL MANUAL lens, you need to turn the focus ring on the lens manually to focus.
• 【Steps to use】: 1) Attach our lens with T-ring adapter to your camera; 2)Set the mode of your camera to manual(M).
• 【Manual Focus】: Please turn the focus ring of the lens to achieve focus. Manual camera lenses cannot display the aperture value in the camera. You need to set the shutter speed and ISO value to take beautiful pictures. At the same time, due to the large magnification of the telephoto lens, the slightest shaking of the hand greatly affects the quality of the picture, so pls use it with a tripod and timer-shooting function.
• 【EF Lens for Canon】: 420-800mm f/8.3-16 Manual Telephoto Zoom Lens Compatible/Replacement for Canon DLSR Cameras for Canon EOS Rebel T8i T7i T7 T6 T6s T6i T3i T2i SL3 SL2 90D 80D 77D 4000D, EOS-1D X Mark III, 1D X Mark II, 5D Mark IV, 6D Mark II etc.
• 【Telephoto Lens】: Equipped with ultra-high-definition multi-layer optical components and aluminum alloy housing. For those who photograph wildlife or the moon as a hobby, this lens would be a great choice.