[b]The off-axis guider allows individual connection to any telescope and camera at only 10 mm height - ideal for heavy cameras and short working distance[/b]♦ Direct fit to the 3" ASA correctors ♦ Clear aperture 50 mm - ideal for full-frame sensors ♦ Individual adapter connection via 3x M3 thread and 3x holes for M3 screws ♦ Guiding camera connection via T2 thread with adjustable distance ♦ Prism can be shifted in the direction of the optical axis for optimal illumination without shading of the image sensor