Description: This adapter allows the use of 1.25" eyepieces with telescopes that normally require 2" eyepieces. Fits all types and brands of telescopes with a 2" focuser. Filter thread in the 2" diameter side for reduced internal reflection. Requires additional back focus. Type: 2" to 1.25" mount adapter. Specification: Model: 2" to 1.25" Mount Adapter Material: Metal Color: Black Package Includes: 1 Piece 2" to 1.25" Mount Adapter