A 90 ° mirror made of good quality, suitable for 2-inch luminaire glasses, with 1.25 inches reduction.

Thanks to it, you can comfortably observe objects located high above the horizon using 2-inch glasses. In addition, the image is obtained terrestrial (unreturned - as in most optical constructions).

Used in all refractors and telescopes Maksutów and ACF systems equipped with a two-inch lift.