PLEASE NOTE: This product is only compatible with version 4.0 or higher (upside down thumbscrews) of the Astrodymium Ring System
The ZWO EAF mount add-on for the Astrodymium Ring System will allow you to electronically control focus on the 135mm lens. This opens up the possibility of unattended/automated imaging sessions, where you don't have to worry about focus shift due to temperature or filter changes.
This product is only intended for current customers that already own the Astrodymium Ring System.
All printed parts for the EAF adapter are made out of PETG that can handle temperatures of up to 80C (149F), and down to -25C (-13F).
- 1x Timing belt
- 1x Metal pulley
- Printed parts (Focus ring & EAF bracket)
Please see the link below for important information in regards to shipping (opens in a new window).
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.