| Electronic Focus Accessory (EFA) Kit |
- The EFA kit automates focusing on the optional Hedrick Focuser, or IRF90 rotating focuser.
- Monitors temperature (primary-mirror and OTA back-plate).
- Controls the fans built-in to CDK telescopes.
- Ensure you have the proper EFA kit selected for your telescope below.
- 125901-Kit is for CDK12.5 OTAs.
- 240901-Kit is for CDK14, CDK17, CDK20, and CDK24 OTAs.
| $920.00 – $1,150.00 | |
| IRF90 2-Inch Visual Adapter | The IRF90 to 2″ Visual Accessory Adapter allows you to attach a 2″ mirror diagonal and eyepiece to your IRF90 rotating focuser.  Used in conjunction with other PlaneWave adapters to space your eyepiece at the optimal position for your CDK model.
See the adapter diagram (under the Downloads tab) for more information on the adapters needed for your CDK.
| $140.00 | |
| 3.5″ Hedrick Focuser to 2.7″ Male AP Threads | | $150.00 | |
| Secure Fit Spacer for CDK12.5 |
- The SecureFit spacers are attached via four screws to the PlaneWave CDK12.5 Hedrick focuser.
- There are three lengths available 4.8″, 3.5″ and 2.5″.
| $250.00 | |