ASA 4" Ritchey-Chretien Field Flattener 1.0x

The ASA 4" Field Flattener for Ritchey Chretien optical systems offers a highly corrected field of 80mm in diameter making it suitable for use with even the largest CCD sensors such as the KAF-16803.

Back focus with an F8 optical system is 108mm.

Special adaption is required to mount the corrector to your telescope and camera. Please contact us for more details.