Founder Optics 2" Dual Threaded Adapter for Field Flattener - DTA-FF2 Mirror Diagonals 80 page paperback book

80 page paperback book

this accessory allows you to connect any smartphone to any telescope eyepiece which has an outside diameter of 45 mm or smaller

This model also include the new tension control handle which allows adjustment of the tension setting for the vertical movement

Celestron C11-A XLT Schmidt-Cassegrain OTA - 11" SCT Optical Tube Assembly Features

or the MiniTower II

Founder Optics 2" Dual Threaded Adapter for Field Flattener - DTA-FF2 Mirror Diagonals 80 page paperback bookThis heavy duty dual threaded 2" adapter is designed to attach the Founder Optics field flattener to telescopes with a 2" focuser. When doing astrophotography it is important to keep the optical chain as tight and aligned as possible. This adapter uses threads instead of screws or tension adapters for the mechanical connection, which reduces the possibility of a gap or flexing in your optical chain. Paying attention to the quality of your adapters