ZWO EAF Bracket for the Celestron C11 and C14

ZWO EAF Bracket for Celestron 11" & 14" SCTs – Precision Autofocus for Your Celestron EdgeHD and SCT

If you've ever struggled with achieving precise focus for your deep-sky imaging or planetary captures, the ZWO EAF Celestron 11" & 14" Bracket is the missing piece of your astrophotography setup. Designed specifically to pair the ZWO Electronic Automatic Focuser (EAF) with larger Celestron Schmidt-Cassegrain and EdgeHD optical tubes, this bracket provides the solid foundation needed for seamless, hands-free focusing.

Compatibility and Build

This bracket is engineered to work flawlessly with Celestron 11-inch and 14-inch SCT and EdgeHD telescopes. Whether you're imaging with an EdgeHD 1100, a classic C11, or the behemoth C14, this adapter ensures a snug and stable fit for the ZWO EAF motorized focuser. The precision-machined design allows for easy installation, lining up perfectly with the stock focus knob placement.

Constructed from lightweight yet durable aluminum, the bracket is built to withstand repeated use without flexing or shifting. The anodized finish helps protect against wear and tear, ensuring long-term reliability in the field.

Performance Benefits

By integrating the ZWO EAF with your Celestron 11" or 14", you'll experience a dramatic improvement in focus consistency, whether you're capturing high-resolution lunar details or diving into deep-space imaging. With electronic focusing, you can say goodbye to the vibrations and inconsistencies of manual adjustments.

The EAF system allows for precise stepper motor control, meaning you can make ultra-fine adjustments to your focus position, eliminating focus drift and reducing the need for constant refocusing. This is especially critical for long-exposure astrophotography, where small focus errors can blur fine details in galaxies, nebulae, and star clusters.

When paired with software like ASIAIR, SharpCap, or Sequence Generator Pro, the EAF bracket enables fully automated focusing routines. The result? A smoother, more streamlined imaging session with fewer interruptions and sharper final images.

Installation and Setup

Attaching the bracket is straightforward and requires no permanent modifications to your telescope. It bolts directly onto the focus assembly using existing screw holes, ensuring a secure, non-invasive fit. The included hardware aligns perfectly with Celestron’s standard focusing system, making installation quick and easy.

Once installed, simply attach your ZWO EAF motor, connect it to your imaging rig, and enjoy the benefits of precision autofocus. Whether you're controlling it remotely from your backyard observatory or adjusting focus while imaging under dark skies, the EAF bracket enhances both efficiency and accuracy.

Why Upgrade?

Manually adjusting focus on a Celestron SCT can be frustrating—especially as temperature shifts cause focus drift during long imaging sessions. The ZWO EAF Bracket for Celestron 11" & 14" telescopes removes the guesswork, allowing you to focus with repeatable, high-precision accuracy.

With an electronic focuser in place, you can:

• Achieve razor-sharp focus with minimal effort
• Reduce vibrations caused by manual focusing
• Automate focusing routines with software control
• Improve imaging efficiency, especially for long-exposure astrophotography
• Minimize the effects of focus shift due to temperature changes

Conclusion

The ZWO EAF Bracket for Celestron 11" and 14" SCTs is an essential upgrade for astrophotographers looking to take their imaging to the next level. By providing a secure, stable connection between the ZWO EAF and your telescope, this adapter allows you to focus with unparalleled precision, eliminating the hassles of manual adjustments.

If you're ready to enhance your imaging experience with electronic focusing, this Celestron SCT & EdgeHD bracket is a must-have addition to your setup.

Upgrade your focus. Upgrade your images.

This bracket is designed to work with C11 and C14 the Celestron SCT scopes. You can now attach your favorite ZWO focuser, the EAF, to any of the scopes listed below.

1. 11" Rowe-Ackermann (RASA 8)
2. EdgeHD 11"
3. 11" C11 OTA
4. EdgeHD 14"
5. 14" C14 OTA