Alstar 2" Helical Micro Focuser with M48-thread and 0.1mm Scale for Telescope - sharper Planets in Any Telescope

• The rotating mechanism allows very smooth and continuous focusing, and without any play.
• Suitable for both refractors and Newtonian telescopes, but is also particularly useful with Schmidt-Cassegrain telescopes.
• The accessory side of the focuser has a M48 thread for connecting your camera.
• Approximately 0.1mm focusing precision with 39mm of travel, improves focusing precision.
• 2" helical focuser designed specifically for astrophotography, fits onto any 2" focuser.

• Item Reference: B077GMXFT7 6971336221305