Super Telephoto Zoom Lens for Canon EF Mount Fully Manual MC Ideal for Birdwatching and Other Olympus Compatible with Canon EF Mount Manual Adjustment

Manual adjustment, all-metal construction, optical glass multi-layer MC coating film. With a super telephoto zoom of 420-800mm, the telephoto lens is ideal for capturing distant landscapes, wildlife, concerts, bird watching, and more. Compact appearance volume design, easy to carry, foot frame ring is fixed. High quality aluminum alloy body with exquisite texture. Wide range of applications, T2 mount lens, can be attached to telescope, for lunar observation, can be attached to EF-S mount camera via standard adapter ring, used for photographing distant objects. Specifications: Condition: Brand New Item Type: Manual Focus Lens Material: Plastic + Aluminum Alloy + Optical Glass Color: White Focusing Mode: Full Manual Focus Aperture: F/8.3-16 Anti-Shake: No Fitment: For EF-S Mount Cameras Weight: Approx. 913g Focal Length: Approx. 420-800mm / 16.54-31.50 inches Front-End Filter Aperture: Approx. 67mm / 2.64 inches How to Use: 1) Turn on "Shutter Release: Without Lens" (if available) and set the camera to M mode. 2) Adjust the lens to the desired aperture/distance. 3) Fine-tune the front focus ring to focus on the subject and take a sample photo. If the footage is too dark, try one of the following: a. Reduce the shutter speed from 1/500s to 1/100s, or 1/50, etc. b. Increase the ISO number from ISO 100 to ISO 200/400/800 etc. c. Use a remote shutter release and a tripod to increase image stability. d. Position Switching to will allow more ambient light through the lens and into your camera's image sensor. As you continually practice and explore the joys of manual telephoto lenses, it may take some time to capture your ideal photo. Package List: 1 x Lens, 1 x Front Lens Cover, 1 x Rear Lens Cover, 1 x Storage Bag, 1 x Adapter Ring, 1 x Wrench Note: Aperture changes as focal length changes, and aperture cannot be adjusted with a fixed focal length without an adjustment ring.