FLAT6AIII 0.8x REDUCER FOR GT71, GT81, Z81, Z103 tripod The CDK20 is an incredible

The CDK20 is an incredible breakthrough in telescope technology and produces no off-axis coma and no off-axis astigmatism

Different from other mounts with a similar payload

Note: Includes a 5kg counterweight

it has a balanced spectral emission to avoid colour dominants

you will have to upload orbital parameters into the mount: you can do it before leaving for your preferred observation site)

FLAT6AIII 0.8x REDUCER FOR GT71, GT81, Z81, Z103 tripod The CDK20 is an incredibleThe William Optics Flat6AIII is an apochromatic triplet 0. 8x flattener reducer with STM coated Ohara lenses. The 44. 4mm image circle (43. 1mm with the Z103) makes it a perfect match for full frame sensors. The Flat6AIII features adjustable spacing for use with a range of cameras and imaging systems. The Flat6AIII includes an M48 filter thread which will hold any standard 2" mounted filter. Compatible with William Optics GT71, GT81, Z81 & Z103