－Compatible with f/4 to f/9 APO
－Available for refractors shorter than 450mm to 800mm by adjusting the back focus
♦ Better illumination, even full-frame size sensors can be used.
♦ Generous working distance between 108 mm and 128 mm, depending on the focal length of the telescope.
♦ M48x0.75 - 2" filter thread at the telescope side for filters and at the camera side for further adaptions.
♦ Also visually usable, depending on the eyepiece. Often the sharpnesss in the field can be improved.
