SVBONY 0.5x Focal Reducer 1.25 inch for Telescope Eyepiece Photography and Observing

1. When the focal length of the telescope is too long to observe a large area of celestial body with low magnification (such as the moon), you can connect the telescope with a focal reducer, shorten the focal length first, and then use a low magnification lens to observe 2. 2 element optical design with fully multi-coated optics 3. Besides the male thread, it also has female thread at the rear end to fit filters 4.. The focal reducer is great for visual use for a bigger FOV and is indispensable when CCD imaging Specifications Model F9154A Focal Reducer 0.5x Barrel Size 1.25″/31.7mm Focal length 56mm Thread Interface M28.5×0.6 thread Sleeve Material Full metal aluminum alloy Lens Material Pure optical lens Color Black Total Height: 20mm