Reducer 0.66x CDK20 / CDK24

Part#: 200166

Price: $1,200.00

This is a reducer designed specifically for flat field telescopes like the CDK. This reduces the f ratio of the CDK telescope 66%. The f/6.8  CDK20 telescopes will be reduced to about f/4.5.

**NOTE - 200166 adapter is also compatible with CDK17 that have 8.81" back focus.   CDK17 with 10.24" back focus will use the 125166 focal reducer. See instruction manual for details.