Lightdow Telephoto Lens 420-800mm F/8.3 for Canon RF Mount Manual Telephoto Zoom Lens for Canon EOS R, Ra, RP, R3, R5, R5 C, R5 Mark II, R6, R6 Mark II, R7, R8, R10, R50, R100 Mirrorless Cameras

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  • Fully manual telephoto lens 420-800 mm telephoto lens, no adapter ring, 2 seconds to quickly mount the lens. After mounting the lens, you need to perform the full manual focusing operation on the mirrorless camera 1. First, find the camera icon on the camera and enter the settings to set Release shutter w o lens to Enable . 2. Adjust to M mode. 3. Rotate the lens focus ring to focus, and adjust the ISO and shutter speed. (The lens aperture is not adjustable, it changes with the focal length).
  • Manual Focus Distance Focusing 1 Manually rotate the LOCK-OPEN ZOOM LOCK on the lens to unlock it; 2 Telescope to adjust the appropriate focal length, (420-800mm adjustable) and then lock it; 3 Rotate the focus ring slowly on the front of the lens until the subject you want to focus on looks sharp and clear; 4 Adjust the ISO, shutter speed according to the shooting needs.
  • RF Lens for Canon RF telephoto lens is perfect for photographing elusive wildlife, birds, the moon and other distant landscapes and small objects, bringing you closer to your subject to unprecedented distances. RF lens for Canon EOS R, Ra, RP, R3, R5, R5 C, R5 Mark II, R6, R6 Mark II, R7, R8, R10, R50, R100 Mirrorless Cameras and other Rf mount camera;
  • Attention to Image Stabilization The telephoto lens has no auto focus and image stabilization, slight camera shake will greatly affect the image quality, it is recommended to use time-lapse shooting, tripod or shutter release cable to stabilize the image and take beautiful pictures. Manual focus telephoto zoom lens is recommended for professional photographers, suitable for digital SLR cameras, not for mirrorless cameras;
  • Resolving Overbright dark Tips You can start by focusing and metering at a position determined as the exposure reference using a long focal length, then locking the exposure and then changing the focal length to take the picture. If the photo is too dark, you can remedy the situation by the following methods 1) Reducing the shutter speed from 1 500 sec. to 1 100 sec, or slower, such as 1 50 sec, 2) Increasing the ISO value from ISO 100 to ISO 200 400 800, etc, 3) Switching the position so that more ambient light enters the camera's imaging sensor through the lens;

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