About this product
Model: astdym_rs-135
Part Number: RS-135
Astrodymium Ring System for Samyang / Rokinon 135mm f/2 Lens
The Astrodymium Ring System is an all-in-one mounting & autofocusing solution for using the Rokinon/Samyang 135mm F2 lens for astrophotography.
The ring system uses two rings with a hinged design to hold the 135mm lens in place securely.
The hinges make it possible to remove/install the lens without needing to remove your DSLR / imaging camera first.
Large thumbscrews also mean no tools are needed to loosen or tighten the rings onto the lens.
Attaching a guidescope to the lens is easy with the top rail. Simply slide the guidescope into the rail, and secure it with the two metal thumbscrews. Other accessories that have a Vixen-style dovetail will also fit.
On the sides of the hexagonal rings are M5 mounting points to easily attach extra accessories, such as an ASIAIR Pro/Plus with the optional mounting plate add-on. Each threaded point uses stainless steel threads for a strong and corrosion-resistant connection.
All parts for the Ring System are 3D printed out of durable PETG plastic that can handle temperatures of up to 80ºC (176ºF) and down to -25ºC (-13ºF).
Screws for connecting the rings to a dovetail bar are included.
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