SVBONY Reducer for Telescope 0.5X Focal Reducer 1.25 inches Fully Multi Coated Reducer for Telescope Eyepiece Photography and Observing (Reducer)

0.5x focal reducer cuts the telescopes focal length in 0.5 times of original's to get a wider field of view Fully anti-reflection coatings on all air-glass surfaces for increased contrast The focal reducer is great for visual use for a bigger FOV and is indispensable when CCD imaging Fully metal structure design;both the ends of the interface part is 28.5x0.6 thread Directly connect the interface to the eyepiece;there is a very good performance in both visual and photography