Sky-Watcher Esprit Flattener for 120 EDX - S20218 DC Switch About the Celestron Oxygen III

About the Celestron Oxygen III Narrowband Filter - 2"

Just remember they must be used in conjunction with the QFM-1008 Universal Finder Mount

A camera angle  adjuster or Rotator with allows for 360° rotation

just prepare to experience the infinite fun with it

ever changing prominences at the edge of the Sun as well as filaments and other surface details in amazing detail

Sky-Watcher Esprit Flattener for 120 EDX - S20218 DC Switch About the Celestron Oxygen IIIAdd this two element field flattener to your Sky Watcher Esprit EDX 120 to achieve edge to edge field flatness and an image circle of 44 mm. Field Flattener or Reducer? Flattener Thread On or Insertable Thread On Corrector Thread size M65x1 female M62x1 male Corrector Back Focus 75mm Corrector illuminated field 43mm Corrector adapter needed? Yes (Included with telescope) Corrector allow for 2" filters? Yes