PlaneWave .66x Reducer for CDK20/ CDK24

The PlaneWave .66x Reducer for CDK20/ CDK24 is designed specifically for flat field telescopes like the CDK. It reduces the f ratio of the CDK telescope 66%. The f/6.8  CDK20 telescopes will be reduced to about f/4.5 and the f/6.5 CDK24 to about f/4.3.

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

PlaneWave .66x Reducer for IRF90 & CDK20/ CDK24 

The PlaneWave .66x Reducer for IRF90 & CDK20/ CDK24 is designed specifically for flat field telescopes like the CDK using the integrated rotating focuser (IRF90). It reduces the f ratio of the CDK telescope 66%. The f/6.8  CDK20 telescopes will be reduced to about f/4.5 and the f/6.5 CDK24 to about f/4.3.

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

Manuals & Warranty

Planewave Warranty (1 year for optical coatings and 2 years mechanics and electronics from the date of delivery)

Reducer Manual