420-800mm Super Telephoto Manual Lens F /8.3-16

Features

• 100% MANUAL LENS PLEASE READ BEFORE PURCHASE This is a fully manual mirror lens with NO autofocus, NO electronic contacts, and NO image stabilization. Before use: Set your camera to Manual (M) Mode; Enable Release Shutter Without Lens; Attach the included T-mount adapter before mounting the lens. To zoom, unlock the middle ring, push/pull to the desired focal length, then lock it again. Focus manually for sharp images.
• TRIPOD & DIRECT SUNLIGHT MANDATORY Handheld shooting at 800mm is not recommended and will usually produce blurry images due to extreme magnification. A sturdy tripod is required for best results. A sturdy tripod is MANDATORY to eliminate camera shake. Designed with a variable aperture (F/8.3-16), this lens REQUIRES bright direct outdoor sunlight. It is not designed for indoor, low-light, twilight, or fast-moving sports.
• UNIVERSAL ADAPTABILITY & T-MOUNTS Includes professional T-mount adapters for seamless compatible only with: Sony E, Canon EF, Canon EF-S, Nikon F; Not compatible with: Canon RF, Sony A, Nikon Z, Micro Four Thirds. How it works: Screw the adapter onto the lens first, then attach it to your camera.
• ULTRA ZOOM SCENARIO VERSATILITY Bring remote worlds closer. This super telephoto range (420-800mm) is custom-built for moon photography, entry-level astrophotography, and stationary wildlife observation. It offers a budget-friendly entry into extreme focal length photography for hobbyists and nature lovers. Best suited for moon photography, stationary wildlife, landscapes, and other distant subjects in bright daylight.
• CREATIVE MANUAL PHOTOGRAPHY Learn long-range photography with classic manual controls. Manual focusing and variable aperture allow photographers to fine-tune exposure and depth of field without relying on electronic assistance. This lens is designed for hobbyists who enjoy manual photography and is not intended to perform like modern autofocus telephoto lenses.