Description
ZWO Mounting Bracket for Celestron 11" & 14" Telescopes (EAF / EAFN / EAF Pro)
Designed specifically for Celestron’s larger Schmidt-Cassegrain telescopes, this heavy-duty mounting bracket allows you to securely install a ZWO EAF, EAFN, or EAF Pro on C11 and C14 optical tubes. It provides the strength and rigidity required to handle the increased mass and focusing load of these larger SCTs, ensuring smooth, controlled motorized focusing.
The bracket aligns precisely with the telescope’s primary mirror focusing mechanism, allowing the EAF to drive focus with consistent, backlash-free motion. CNC-milled from aircraft-grade aluminum, it delivers a solid, wobble-free connection so the EAF can operate at its full precision—whether you’re imaging deep-sky objects or high-resolution planetary targets.
For C11 and C14 owners looking to modernize their setup with reliable, automated focusing, this bracket offers a telescope-specific solution that integrates cleanly and performs exactly as intended.
Compatibility
This bracket is designed for the following Celestron C11 and C14 SCT optical tube assemblies:
- 11" Rowe-Ackermann Schmidt Astrograph (RASA 11) V2 Optical Tube Assembly (CGE dovetail)
(Not compatible with RASA 11 V1) - EdgeHD 11" Optical Tube Assembly (CGE dovetail)
- C11 Optical Tube Assembly (CGE dovetail)
- C11 Optical Tube Assembly (CG-5 dovetail)
- EdgeHD 14" Optical Tube Assembly (CGE dovetail)
- C14 Optical Tube Assembly (CGE dovetail)
Important Notes
- Designed to connect directly to the telescope’s native focuser mechanism
- Not compatible with Feather Touch Microfocusers (FTM)
- Will not work with Celestron Evolution telescopes or any models not listed above
- Only compatible with newer Celestron SCTs manufactured in the mid-2000s or later
If your telescope is not listed above, we recommend checking the detailed adapter dimensions shown in the product photos to confirm compatibility before purchasing.
Included Couplers
This bracket is supplied with two motor couplers to ensure compatibility across EAF generations:
- 4 mm coupler – for EAFN and EAF Pro (latest models)
- 5 mm coupler – for the earlier EAF 5V version











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