2010Cameras (Film/Video/HD) forum
Preparing for first 3D camera work with a beam splitter rig on Steadicam
16 years old. Gear and prices may have changed since.
What the thread found
- Beam splitter rigs like the Neutron are compact and manageable in weight for Steadicam operation but require careful attention to camera alignment during setup and transport.
- Stereographers often lack camera department experience, so the operator should closely supervise how accessories and equipment are distributed symmetrically between cameras to maintain balance.
- Wide lenses combined with smooth, stable operating technique are essential in 3D work because audience comfort is compromised by excessive panning and camera movement.
- Manual focusing through clamps on C-mount lenses can be time-consuming and requires frequent equipment downtime.
- The Cinedeck recording system eliminates tethering cables but has specific bootup requirements and may need additional power solutions beyond single Steadicam batteries.
- Interaxial and convergence adjustments on early Neutron prototypes required manual setup between shots rather than real-time remote control.
- A quick-release plate on the Steadicam dovetail helps maintain camera alignment when the rig is frequently handled by stereographers doing chart work and calibration.
- The Cinedeck composite output generates a slight video delay and occasionally jittery playback, but these issues were not operationally problematic.
- Three-dimensional video playback can be monitored at video village with polarized glasses to review work immediately during shooting.
Depends on
- This discussion centers on prototype and early production versions of rigs that may have evolved since 2010.
- Specific battery power solutions mentioned were tested with Steadicam-specific power systems and may not apply to other configurations.
- Experience is limited to SI-2K cameras; behavior with larger cameras like the Sony900R or RED was acknowledged as potentially different.
- The Cinedeck bootup issue with composite video output was identified as a Windows operating system quirk rather than a hardware design problem.
- Remote motorized convergence and interaxial adjustment were still in development at the time of discussion.