Levenhuk The Moon and Mars F2 Light Filter Set of Two 1.25" Telescope Eyepiece Filters - #25 Red and Lunar

A set of optical accessories for astronomy that includes two color filters for a telescope: #25 (red) and lunar Optics material: optical glass. Barrel diameter: 1.25''. An internal 1.25" thread for combining different filters Levenhuk 1.25" optical filter #25 (red) is used for detail study of Mars, the atmosphere of Jupiter and Saturn; due to low light transmission, it is efficient only with telescopes with an aperture of 150 mm or more Lunar filter is used to enhance the contrast of the lunar surface image; it is effective on telescopes of any aperture Compatible with most modern telescopes of any brand and optical design: catadioptrics, refractors, and reflectors; suitable for beginner astronomers