GSO 2" 0.5x Focal Reducer
0.5x focal reducer halves the focal length of a telescope to deliver a wider field and brighter of view.
Easily threads into standard 2" eyepieces, camera adapters, and other accessories.
Lens is fully multi-coated lens in a black-anodized aluminum filter cell
Generally, the 0.5x focal reducer is often used together with 2" eyepieces. Please be aware of the focuser traveling range in other application.