Product Description: The Revuenon 1:8.0 f=500mm mirror lens is a compact and lightweight telephoto lens designed for capturing distant subjects with ease. Featuring a fixed aperture of f/8.0, this mirror lens offers an ultra-telephoto focal length of 500mm, making it ideal for wildlife photography, sports events, and astrophotography. With its unique mirror design, this lens delivers high-quality images with excellent sharpness and contrast, while its compact size makes it convenient for outdoor and on-the-go shooting. Key Features: Ultra-Telephoto Reach: With a focal length of 500mm, this mirror lens provides an ultra-telephoto reach, allowing you to capture distant subjects in great detail. Fixed Aperture: The lens features a fixed aperture of f/8.0, which ensures consistent exposure and simplifies the shooting process, especially in bright conditions. Mirror Design: The lens utilizes a mirror design to achieve its compact size and lightweight construction, resulting in a portable and easy-to-handle telephoto solution. High-Quality Optics: Despite its compact form factor, the Revuenon 500mm mirror lens delivers impressive optical performance, producing sharp images with good contrast and minimal aberrations. Manual Focus: The lens is equipped with manual focus control, allowing for precise focusing adjustments to ensure sharpness in every shot. Versatile Applications: Whether you're capturing wildlife, sports, or celestial objects, this mirror lens provides versatility for a wide range of photographic subjects and situations. Compatibility: The Revuenon 500mm mirror lens is available in various lens mounts, making it compatible with a range of camera brands, including Canon, Nikon, Sony, and others. Condition: Used What's Included: Revuenon 1:8.0 f=500mm Mirror Lens Lens cap back