2 inches Dielectric diagonal

2 inches diagonal with dielectric coating for ~99% reflectivity.
The dielecrtic coating gives a better image with high luminosity and lasts longer than other coatings.
2” to 1.25” adapter with compression rings and 2” filter thread included. The adapter hold firmly in place your eyepieces or camera without screw damages.
Fit all the 2” diameter focuser. Does not fit on Newtonian telescopes.
2” threads in front for filters.
Fully metal.

The best choice for your ED refractor or your catadioptric (needs adapters for SCT or Maksutov).