The Astrodymium Ring System is an all in one mounting & autofocusing solution to using the Rokinon/Samyang 135mm F2 lens for astrophotography.
The ring system allows a ZWO ASIAIR, EAF, and any guidescope to be easily attached to the 135mm lens, making it a versatile tool for capturing stunning astrophotography images.
Imagine pressing one button at the start of the night, and waking up to flawless sub-exposures. Yes, this could be you. No more manually focusing in the dark, and no more ruined nights caused by bad focus! All powered by a ZWO EAF, and a reliable backlash-free belt drive.
Get longer exposures, and throw away less images with the power of autoguiding! Easily attach a guidescope, and accessories to your Rokinon lens, like an ASIAIR Plus/Mini (with the optional mounting plate add-on). Alternatively, you can purchase another rail and attach any astro accessory that has a vixen style dovetail instead.
"⭐⭐⭐⭐⭐I had my doubt when it comes to 3D printed parts. Happy to say I was very impressed by the design and quality of this ring system. All parts are precisely made and fit together perfectly. Almost all screw sockets are metal and very secure. It also has one of the best written instruction manuals to put everything together." - JUN
There's a reason why Astrodymium is trusted by astrophotographers around the world. All parts for the Ring System are made in Canada, and use high quality stainless steel / aluminum parts where possible.
Two rings securely hold your lens, and have an innovative design that keeps the thumbscrews in place so they don't fall out.
All parts for the Ring System are made in Canada, and 3D printed out of durable PETG plastic that can handle temperatures of up to 80C (176F), and down to -25C (-13F). Each threaded point uses stainless steel threads for a strong and corrosion resistant connection.
Screws for connecting the rings to a dovetail bar are included.
What's included by default with all configurations: