Celestron 51630 Star Pointer Telescope Finderscope, Black The Star Pointer Finderscope adds point and look functionality to any telescope! This red dot finder keeps the sky right-side up, matching what you see with your unaided eyes The adjustable red dot is bright enough to see day or night Attaches to just about any telescope thanks to the small footprint, even works great with astronomical binoculars and spotting scopes Includes mounting base and a long-lasting CR2032 3V battery