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  • Allows Evostar 0.85x Reducer/Flatteners to easily adapt to your Evostar ED telescope
  • Provides a secure threaded connection
  • Allows you to rotate your imaging train 360 degrees without removing anything from the optical system
  • Built-in 2" filter mounting to easily place filters into the light path
  • Compatible with: Evostar 80ED, 100ED, 120ED and 150ED (not the 150DX).