Sky-Watcher Sky-Watcher 45 Degree Erecting Prism | Eyepiece Accessories & Filters

Perfect For Both Astonomical And Terrestrial Observing, These Fully-Coated Diagonals Offer Correctly Oriented Images With Excellent Sharpness And Contrasts. Designed For 1.25 Inch/31.7Mm Focusers And Eyepieces.