Founder Optics 2.7" Dual Threaded Adapter for Field Flattener - DTA-FF2.7 2.3 mm Eyepieces You do not need to

You do not need to know the names of the stars

Secondary Mirror Obstruction by Area: 7

Internal thread M48x0

Equipment Type: Power Cord

and other 5V DC electronics

Founder Optics 2.7" Dual Threaded Adapter for Field Flattener - DTA-FF2.7 2.3 mm Eyepieces You do not need toThis heavy duty dual threaded (2" to 2. 7") adapter is designed to attach the Founder Optics field flattener to telescopes with a 2. 7" 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