Focal Reducer for ETX 90/105/125

The Focal Reducer attaches to the back of your ETX-90/105/125 or NexStar 4 and effectively shortens the focal ratio of your telescope to f/7. This system will provide wider fields of view for your CCD imager or webcam while also reducing your exposure times. Now you can image more of the Moon or that large star cluster or galaxy. The Focal Reducer is designed to allow for a wider field CCD imaging, it is not designed for visual use and the ETX will not reach focus if a diagonal is inserted into it.