Fitment: Red dot finderscope, compatible with 80EQ SCTW-80 and other astronomical telescopes. Red Dot Reflex Viewfinder: This red dot viewfinder uses a clear LED red dot projection to assist in quickly and accurately aligning the main telescope. Adjustable Design: The finder scope allows for easy horizontal and vertical adjustments, with brightness control for optimal visibility. Easy Installation: Equipped with a slide-in bracket for simple and secure mounting, enabling fast and convenient setup. Wide Applications: A practical accessory for amateur and professional astronomy use, ideal for stargazers and telescope enthusiasts. Specification: Product size: 11.5cm x 9.5cm / 4.53inch x 3.74inch Material: Plastic Package Includes: 1 x Red Dot Finderscope Note: Please allow slight variations due to manual measurement and differences in display monitors.