It is brass clamp ring or nylon-tipped set screw for secure, no-mar locking and safety undercut. This 2" to 1¼" adapter allows more in-travel for 1¼" eyepieces than our "flat-top" or "high-hat" adapters. This adapter is designed to attach to the 1¼" eyepiece barrel and convert the eyepiece for use with a 2" focuser or diagonal. The main application is for 1¼" eyepieces that may need more in-travel due to limited focuser range of your telescope.

In-Travel Comparison

The "In-Travel" model achieves the following amount of in-travel benefit compared to our conventional 2" to 1¼" adapters.

*Using this adapter for Delos 12, 10, 8, 6, 4.5, 3.5 and In-Travel adapter for Delos 17.3, 14 makes all Delos eyepieces parfocal.