Art No. : RD001 0.5X Focal Reducer 1.25"
GSO new 0.5x focal reducer could screws on to any 1.25” eyepieces barrel and provides a nominal reduction of 0.5X.
The actual focal length reduction will vary a little over or under 0.5x depending on where the focal reducer is placed exactly in the optical path.
The reducer features 2-element fully multi-coated optical design and blacked lens edges in a black anodize aluminum filter cell. It also has additional 1.25" filter threads, so you can screw/stack additional filters on to this reducer, it also have an option 25mm extension tube.
Art No.: RD002 0.5X Focal Reducer 2"
We have 2" focal reducer also, it come with outside thread M48x0.75 to fit with most 2" eyepieces or barlow lens and additional 2" filter thread inside accept all kind of 2" color filter.