Products
Reducer 0.66x CDK17 / CDK20
200166
Enquiry Item
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.
**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.
Enquire for more information or email us specifics at sales@astro.com.sg.
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Part 200166
Reducer Spacer Combinations for SBIG and Apogee Camera.pdf'
Reducer 0.66x CDK17 / CDK20
Part 200166
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 CDK17 and CDK20 telescopes will be reduced to about f/4.5.
CDK 66 Reducer rev052811.pdfReducer Spacer Combinations for SBIG and Apogee Camera.pdf