RC .75x Reducer

Key Features:

  • Designed for use in GSO Ritchey-Chretien and compatible RC telescopes.
  • Reduces the effective focal length of the telescope by 0.75x.
  • Converts an f/8 scope to f/6 or an f/9 scope to f/6.75, enhancing astrophotography capabilities.
  • Carefully crafted with two-element fully multi-coated optics to maintain image color, brightness, and contrast.
  • Retains the inherent field flatness of an RC scope, although it does not function as a field flattener.
  • Ideal for astronomy cameras with sensor diagonals up to 15mm.
  • Provides approximately 80mm of back focus, accommodating off-axis guiders and filter wheels.
  • Features a black-anodized body that fits into a 2” focuser or adapter, securing accessories with 2” barrels using a non-marring compression ring.
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