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 telescopes will be reduced to about f/4.5 and the f/8 telescope down to f/5.3.
PlaneWave Instruments - .66x Reducer for CDK17 and CDK20
There are two different models, one for the CDK12.5 and one for the CDK17 and CDK20. Though these are optically identical, they are mechanically different. See chart below for specific performance applications.
PlaneWave Instruments Product Number: 200166
- Additional Information
SKU PI-200166 Manufacturer PlaneWave Barrel Size Thread-on Warranty 2 Year Warranty
- Included Items
- PlaneWave Instruments - .66x Reducer for CDK17 and CDK20
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- Support / Downloads