Svbony SV182 Finderscope for Telescope, 6x30 Finder Scopes, Positive Image Optical Viewfinder, FMC Achromatic 2-Element Lens, with Brass Crosshair Reticle, Suitable for Astronomical Observation

Positive image optical viewfinder provides stargazers with a bright; clear image through the viewfinder for easy aiming anywhere in the sky. 6x30 metal star finder; SV182 viewfinder with 6x magnification and 30mm diameter lens collects enough light to make telescope aiming easy and fun. An achromatic 2-element lens design; SV182 viewfinder has fully multi-coated achromatic viewfinder optics to effectively eliminate aberrations and chromatic aberrations. Easy to use; with metal viewfinder bracket; 2 plastic 90 degree angle adjustment screws and a fixed spring loaded push-pull screw; only 2 screws need to be adjusted to find the target quickly. Internal mattebox design; the SV182 viewfinder scope is fully threaded internally to minimise reflections. All black mount. All-in-one visual style for comfortable viewing