Founder Optics 2" Dual Threaded Adapter for Field Flattener - DTA-FF2 Mirror Diagonals This model also include the

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

Explore Scientific 30mm 100 Degree Series Waterproof Telescope Eyepiece - 3" Features

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

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

Includes 3-element focal reducer and spacers to configure as a 6-element f/4

Founder Optics 2" Dual Threaded Adapter for Field Flattener - DTA-FF2 Mirror Diagonals This model also include theThis 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