2009Operating forum
Vibration and shock transfer problems when using telephoto lenses on Steadicam systems
17 years old. Gear and prices may have changed since.
What the thread found
- Excessive play between the camera body and lens connection can transmit ground shock and vibrations to the sensor when using telephoto lenses
- Installing wedges between the dovetail and topstage can reduce vibrations during long lens work
- Increasing preload tension on stage bearings reduces play and vibration, though this makes fine balance adjustments more difficult
- Using a direct screw connection between camera and dovetail plate rather than a Sony V-lock plate reduces excessive play
- Checking and tightening all connection points on the rig and arm assembly helps identify the source of vibration
- A stiffening system using preloaded bracing similar to sailboat mast stays can reduce vibration across sled components
- Multiple operators experiencing identical vibration problems when using the same wireless camera and lens combination suggests the issue originates in the camera-lens interface rather than operator technique
Depends on
- The reported problem occurred specifically with one wireless camera model and a particular lens combination
- Wedge placement can be difficult when used with telephoto lenses
- Adding wedges prevents adjustment of stage balance until they are removed
- Operator skill and directorial demands for excessive zoom in sports coverage may contribute to the overall issue
Parts
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