This useful 0.5x focal reducer can be used with a wide range of CCD cameras and eyepieces.
The doublet optical system features fully multicoated glass elements for enhanced contrast.
The 1.25" filter-thread screws into regular 1.25" eyepieces, cameras and other photographic accessories to achieve a 50% increase in field of view. Effectively reduces the focal telescope's length by 50%. This effect can vary from optical system to optical system.
The exact focal reduction varies slightly depending on the position of the Focal Reducer relative to the eyepiece' optics or, when imaging, to the camera's imaging sensor.
Not recommended for short focal ratio systems.
