Astronomical Telescope Part Metal Focus Mask Adjustable for Optical Tubes

Telescopem ask-- adopts precision production to the stable characteristics and high reliability, bahtinov filter; Bahtinov mask for camera lens-- it is manufactured with professional technology to ensure the product and can work for a long time, bahtinov focus; Metal focusing mask-- please be assured that these focusing masks will work excellently for both reflectors and refractors with whatever focal length, metal astronomical telescope mask; Telescopes bahtinov focusing mask-- fine workmanship and creative appearance ensure its popularity and practicality, camera filter; Telescope mask-- suitable for use on all types of telescope, reflectors, refractors, bahtinovm

What's in the box
1 x Binocular & Monocular Accessories