Refractors
Showing 21–21 of 21 results
Fluorostar 91
Rated 0 out of 5$2,189.39 Add to cartThe William Optics Fluorostar 91 is the perfect Apochromatic refractor for visual and photographic astronomers demanding excellence in a midsize telescope. The three-element optical design features a 91mm aperture using FPL-53 glass. The STM-coatings and superb quality provide excellent optical performance and unmatched value.