What the thread found

• The M21VE is a compact and lightweight motor approximately three times smaller than the DM-2 model
• The motor provides torque equivalent to a DM-2 and can handle focus work on prime lenses, iris, and zoom applications
• The motor operates with minimal noise
• The motor can manage focus, iris, and zoom duties, and users have successfully tested it on convergence adjustments in 3D rigs
• The M21VE comes with gears configured for standard lenses and an integrated bracket
• Motors supplied through certain kit manufacturers may include modified control boards claimed to improve grounding and reliability
• The M21VE is compatible with Preston handsets and standard follow focus systems

Depends on

• Pricing information varies between sources, ranging from under $1500 to around $2000
• No formal torque specifications were provided in the discussion
• Experience limited to specific application contexts such as iris, zoom, and some prime lens work
• Some users noted owning the M26VE instead of the M21VE
• Compatibility notes reference previous receiver models that required special cables

Parts

Follow Focus

Same gear or parts

1. 2026Swapping an ARRI ALEXA 35 between tripod/studio and Steadicam® mounting: baseplate choice and fastest workflow.FacebookSteadicam operators group
2. 2026Pulling focus and zoom yourself while operating, especially on live showsOperator practice
3. 2025LC-1 (Lens Control-1) follow focus system: wired architecture, motors, and early operational experience (1990s).FacebookThe Steadicam Group
4. 2024Modifications to a Steadicam Scout rig for expanded power distribution and connectivityGeneral Discussion