2-Inch helical focuser designed specifically for astrophotography; fits onto any 2-inch focuser
Approximately 0.1mm focusing precision with 39mm of travel; improves focusing precision; The accessory side of the focuser has a M48 thread for connecting your camera
Suitable for both refractors and Newtonian telescopes; but is also particularly useful with Schmidt Cassegrain telescopes; The rotating mechanism allows very smooth and continuous focusing; and without any play
2 inch Diagonal Mirror with 99 percent reflection; optics are made with Pyrex glass; Multi layered dielectric coatings that produce 99 percent reflectivity for brighter and harper images
Comes with dielectric coatings for the most light transmission possible; Suitable for refractors included Schmidt-Cassegrains; ACF; EdgeHD and Maksutov-Cassegrains; 2 inch and 1.25 inch reducing sleeve with brass compression ring; non-marring compression safety secures the eyepieces