PlaneWave Electronic Focus Accessory (EFA) Kit for 14 - 24 in OTAs
- This item is currently on backorder from the manufacturer.
- Orders are fulfilled in the order they are received once inventory arrives.
Stock count is accurate & shown in real time.
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
- This item is out of stock.
- Sign up for back-in-stock alerts to be notified when this item becomes available (account login required).
Contiguous US / Lower 48:
Free shipping applies to orders over $50 using our chosen carrier/method. Faster paid options are available at checkout.
Alaska, Hawaii & US Territories:
Free shipping applies to many—but not all—products. Enter your ZIP code in cart or upon checkout to confirm options and costs.
International:
International orders do not qualify for free shipping. Shipping, duties, brokerage, tariffs, and taxes are the customer’s responsibility. Some items may be restricted due to export, size, or manufacturer limitations.
•The EFA kit automates focusing, temperature monitoring, and fan control, ensuring the telescope maintains peak performance without manual intervention.
•When using a non-native focuser, the EFA becomes crucial, as it provides the automated primary-mirror temperature regulation that would otherwise be lost.
PlaneWave Electronic Focus Accessory (EFA) Kit
The Planewave EFA (Electronic Focus Accessory) kit automates focusing for the optional Hedrick focuser or IRF90 rotating focuser, monitors both primary-mirror and OTA back-plate temperatures, and controls the fans built into CDK telescopes! This EFA is an essential component for fully automated operation! Compatible with all 14”-24″ OTAs (CDK, IRDK, RC) as well as the CDK700 Without the EFA, automated temperature regulation for the primary mirror is lost, an important consideration when using a third-party focuser, the EFA is required to maintain full automation. Please note: Hand controller is not included.
Specifications:
-
Functionality: Automates the optional Hedrick or IRF90 focusers
-
Temperature Monitoring: Tracks both primary mirror and OTA back-plate temperature
-
Cooling Control: Operates built-in CDK telescope fans for active temperature regulation
-
Compatibility: For all 14 - 24 & CDK700 OTAs (CDK / IRDK / RC)
-
Hand Controller: Not included
Other Information
- Country of Manufacture: United States
PlaneWave Electronic Focus Accessory (EFA) Kit
The Planewave EFA (Electronic Focus Accessory) kit automates focusing for the optional Hedrick focuser or IRF90 rotating focuser, monitors both primary-mirror and OTA back-plate temperatures, and controls the fans built into CDK telescopes! This EFA is an essential component for fully automated operation! Compatible with all 14”-24″ OTAs (CDK, IRDK, RC) as well as the CDK700 Without the EFA, automated temperature regulation for the primary mirror is lost, an important consideration when using a third-party focuser, the EFA is required to maintain full automation. Please note: Hand controller is not included.
Specifications:
-
Functionality: Automates the optional Hedrick or IRF90 focusers
-
Temperature Monitoring: Tracks both primary mirror and OTA back-plate temperature
-
Cooling Control: Operates built-in CDK telescope fans for active temperature regulation
-
Compatibility: For all 14 - 24 & CDK700 OTAs (CDK / IRDK / RC)
-
Hand Controller: Not included
-
1x Power Cord
-
1x 12V Power Supply
-
2x ¼-20 x ½ SHCS with Cap
-
1x EFA Controller with Mounting Bracket
-
1x 8-Pin M12 Axial Cable
-
1x 5.5 mm OD, 2.1 mm ID Extension Cable
-
1x Hand Controller with Mounting Screw
-
1x PC Port Kit (Serial-to-USB Converter Kit)
•The EFA kit automates focusing, temperature monitoring, and fan control, ensuring the telescope maintains peak performance without manual intervention.
•When using a non-native focuser, the EFA becomes crucial, as it provides the automated primary-mirror temperature regulation that would otherwise be lost.
PlaneWave Electronic Focus Accessory (EFA) Kit
The Planewave EFA (Electronic Focus Accessory) kit automates focusing for the optional Hedrick focuser or IRF90 rotating focuser, monitors both primary-mirror and OTA back-plate temperatures, and controls the fans built into CDK telescopes! This EFA is an essential component for fully automated operation! Compatible with all 14”-24″ OTAs (CDK, IRDK, RC) as well as the CDK700 Without the EFA, automated temperature regulation for the primary mirror is lost, an important consideration when using a third-party focuser, the EFA is required to maintain full automation. Please note: Hand controller is not included.
Specifications:
-
Functionality: Automates the optional Hedrick or IRF90 focusers
-
Temperature Monitoring: Tracks both primary mirror and OTA back-plate temperature
-
Cooling Control: Operates built-in CDK telescope fans for active temperature regulation
-
Compatibility: For all 14 - 24 & CDK700 OTAs (CDK / IRDK / RC)
-
Hand Controller: Not included
Other Information
- Country of Manufacture: United States
-
1x Power Cord
-
1x 12V Power Supply
-
2x ¼-20 x ½ SHCS with Cap
-
1x EFA Controller with Mounting Bracket
-
1x 8-Pin M12 Axial Cable
-
1x 5.5 mm OD, 2.1 mm ID Extension Cable
-
1x Hand Controller with Mounting Screw
-
1x PC Port Kit (Serial-to-USB Converter Kit)
PlaneWave Electronic Focus Accessory (EFA) Kit for 14 - 24 in OTAs