Meade LX850-ACF 12 f/8 Telescope with UHTC Coatings (Tube Only)Using revolutionary new technology, every aspect of the amazing Meade 12in LX850 ACF (f 8) Advanced Coma Free with UHTC (OTA Only) telescope system has been designed to set the new standard in astrophotograhic and visual performance. This fast f 8 Advanced Coma Free optical system produces a wider, flatter field with no coma for pinpoint stars out to the edge of larger imaging sensors and extreme wide angle eyepieces. Faster, Sharper Optical System