PlaneWave Secure Fit CCD Spacer for CDK17/20 - L=3.8"
PlaneWave Instruments - Secure Fit CCD Spacer for CDK17/20 - L=3.8"
For the CDK17 and CDK20 there are two lengths, 3.8" and 2.1". The backfocus of the CDK17 and 20, from the fully racked in focuser, is 5.81" and the Hedrick focuser has 1.3" of travel. For the CDK12.5 there are three lengths, 4.8", 3.5" and 2.5". The backfocus of the CDK12.5 is 7.2" from the fully racked in Hedrick Focuser.
PlaneWave Instruments Product Number: 200361-1
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