1.25 Inch Diagonal Mirror, 90 Degree Angle, Fully Coated Lens, Durable Metal and Plastic Construction, Prismatic Optical Mirror

Compatible with: 1.25 inch 90 degree diagonal mirror compatible with 1.25 inch eyepieces and telescopes. This is specially designed for refractor telescopes and not suitable for mirror telescopes. 90° diagonal mirror: when used with a refractor, allows for upright images, although left right reverse, it does not affect astronomical observations. This is a large diagonal for day terrestrial use and night astronomy applications for telescopes or spotting scopes. Easy installation: the refractor telescopic diagonal mirror is easy to install and use. It is inserted into the telescope with a 1.25 inch end and secures the 1.25 inch eyepiece with a screw. Durability and dust cover: 90 degree diagonal mirror is made of metal, plastic materials, robust and not easy to damage. Fully coated lens comes with dust cover, keep your lens clean for superior image fidelity. Quality guarantee: We always strive to provide our customers with the best service and products. Please feel to our professional customer service if you have any questions, we will give you a satisfactory answer as soon as possible! Thank you for your understanding.