SECUREFIT CCD SPACER FOR PLANEWAVE CDK12.5 Extender:3.5" you have a sudden jump

you have a sudden jump in coordinates

the lens edges are blackened for suppression of internal reflections

Vixen style 140mm dovetail plate installed below 105mm PLUS support rings

Compatible with William Optics FLT132

Ritchey–Chrétien

SECUREFIT CCD SPACER FOR PLANEWAVE CDK12.5 Extender:3.5" you have a sudden jumpThe SecureFit spacers are attached via four screws to the PlaneWave Hedrick focuser. When using a PlaneWave SecureFit CCD Adapter, the CCD camera is also attached via screws so there will be no slipping, movement or falling equipment. For the CDK12. 5 there are three lengths available, 4. 8, 3. 5 and 2. 5. The backfocus of the CDK12. 5 is 7. 2 from the fully racked in Hedrick Focuser.