Product Brand: ANGELEYES Magnification: 8X Aperture: 50MM Lens Coating: Optical lens, multi - layer coating, high definition Material: Metal lens body Product Configuration: Finderscope, dust cover, a pair of six - point guiding rings, product box Product Weight: 450g Product Function: The finderscope is used to assist in finding celestial targets. It has a built - in optical cross and adjustable clarity. —Slot - in type + screw holes It can be installed in different positions by changing the position to meet the needs of different telescopes. (Please confirm the slot width of the telescope before purchasing)