GSO 0.75x focal reducer (not a field flattener) for Ritchey-Chretien telescopes
Enables a wider field of view and shorter exposure times for astrophotography
Fully multi-coated optical components allow for excellent image color and contrast
Provides 80mm of back focus
Ideal for cameras sensors with a diagonal of 15mm or less
Threads into eyepieces, camera adapters, and other accessories with standard 2″ threads, and can be stacked with additional 2″ threaded accessories and spacers
