2019From a Facebook group: Arri Artemis Trinity
Balancing an ARRI Artemis Trinity with ALEXA Mini and Cooke 65 mm Macro anamorphic lens using two focus motors.
Note (as of October 2026)Curt O. Schaller, the developer of Artemis and Trinity, has no longer been with ARRI since the end of 2025. To our knowledge, ARRI currently has no dedicated team and no official contact persons for its stabilizer systems. In our view, the future of this line is uncertain. If you are buying new, get written confirmation from ARRI beforehand on how long service and spare parts are guaranteed. Have used rigs checked by the manufacturer before you buy.
What the thread found
- Cooke anamorphic lenses normally require counterweight mounted at the rear of the camera.
- The Cooke 65 mm Macro with two focus motors could not use rear counterweighting: extending the SAM-2 sliding plate rearward created excessive length, requiring the balance ring to be positioned too high and blocking access to the plate and weights.
- Solution: positioning weights forward and beneath the lens eliminated front-clearance problems, allowed the balance ring to sit lower in its travel, reduced the need for full rig extension, and preserved sufficient room above the gimbal head for mode switching between High and Low.
- This setup was developed for an operator of larger stature working with smaller performers, requiring the shortest possible rig configuration.
Depends on
- SAM-2 plate geometry and available rear extension space
- two focus motors adding weight forward of the lens
- operator height and performer scale
Gear in this thread
Same gear or parts
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