Designed for Reflector telescope; Red laser collimation beam with 7 brightness levels; wavelength 635-655 nm; Output power: 3.8mW complies with Class 3R laser safety standards; much safer for your eyes. This sturdy laser unit allows you to swiftly and precisely collimate your Newtonian telescope; Only when the optics have been accurately collimated can the telescope offer you its full performance
High-Quality and Durable: High-quality metal construction and anodizing aluminium process; durable for long time use; require one CR2032 lithium battery Not Included;
Well-Engineered: The laser comes fully adjusted however further adjust if required; it has three openings for adjustment; arranged at 120°; which are initially sealed; small screw cap at the rear of the laser must be first unscrewed to allow this;
Fully Multi-coated: Astromania 15mm Super Plossl eyepiece is engineered with 2 sets of 5 element design with fully multi-coated; the high-quality optics that minimize internal reflections and improve contrast
52 Degree Field Of View: The eyepiece have a wider 52 degree field of view than most eyepieces with a 15mm focal length and 10mm eye relief to see more detail; You can choose eyepiece with the right focal length for your telescope model which are parfocal