Astromania Telescope Off-Axis Guider with Microfocus Dual Helical Focuser

This device sits in 2 inch focuser in front of camera; small prism direct little light from telescope into separate tube where guide camera or crosshair eyepiece is attached; correct tracking errors which camera is exposing image for perfectly round star ^^ For refractors scs maks and rc telescopes; off-axis guider only 24mm in overall length; robust yet light 5.45 mm optical transmission full illumination; micro focusing especially smooth helical focusing with 0.05 mm accuracy; 75mm of back focus ^^
Easy to connect: off-axis guider has an M48 thread on telescope side and an additional socket for 2 inch eyepiece; with three screws and a flat M48 adapter for connecting camera; rotate camera and find optimum orientation for astronomical object exposing ^^ Exact micro focusing with 10mm travel; small prism directs light into control unit of guider into 1.25 inch helical focuser; generous 10mm of travel allows to find optimum sharpness for guide star; special helical focuser adjust to 0.05 mm use fine scale ^^ Perfect astrophotography is virtually in your grasp; long exposure photos require precise tracking, which is the specialty of this guider; making it one of the necessary tools for astrophotography; you will have most beautiful astronomy photos in the bag