William Optics

1.25" Erecting Prism for Cat Series

  • Sale
  • Regular price $118.00


High quality erecting prism with silver anodized plate, the complete housing is made by 6061T Aluminium by CNC.

This 1.25" 90 deg. erecting prism will very useful for daytime observations.

  • Image erecting BAK4 prism with anti-reflection coating.
  • High accuracy and high light transmission prism.
  • 1.25” barrel for any 1.25” eyepieces.
  • Internally matte blackened and threaded for no internal stray light reflection.
  • Entirely aluminum, silver anodized.
    SKU: D-EP90-125-RC51-SL