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Collaborative zoom control between focus puller and DP using remote wireless devices

20 years old. Gear and prices may have changed since.

What the thread found

  • A wireless remote zoom control device allows the DP to operate zoom independently while the focus puller frames and adjusts for composition changes caused by zoom movements.
  • When DP-controlled zooms are combined with focus puller camera movements, the spontaneous interaction can create fluid, unpredictable framing that suits stylized material.
  • Using remote zoom control for steadicam work allows the DP to execute zooms that match hand-operated zoom timing when the camera operator cannot manually zoom.
  • The focus puller must compensate for headroom and composition issues created by the DP's zoom movements, which becomes intuitive after initial adjustment period.
  • Coordination between DP and focus puller improves when both share a common artistic vision and work together regularly on zoom-heavy material.
  • Time delay between a downconverter feed and real-time HD-SDI monitoring at the DIT station can complicate DP zoom decisions when the DP relies on the delayed feed.

Depends on

  • This technique was used on a pilot project with uncertain exhibition status.
  • The approach works best when zooms are featured stylistic elements rather than hidden transitions.
  • Initial coordination challenges exist until both crew members develop intuitive working patterns.
  • Compact camera lenses were used; applicability with other lens types is unclear.
  • The time delay issue was noted only in HD workflows with specific monitoring setups.
  • One lightweight zoom lens was disqualified for optical reasons during the same production.
  • Success depended partly on crew familiarity and shared creative goals.

Gear in this thread

FI+Z, MDR

Same gear or parts

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  2. 2025History of wireless focus and lens control systems for Steadicam®: from cable-based Cinema Products and Seitz to Preston digital, and European solutions by Chrosziel, cmotion, and ARRI.FacebookSteadicam operators group
  3. 2025Custom servo zoom controller for Tilta Nucleus system using Bebob Zoe housing and 7-pin LEMO connectorFacebookSteadicam operators group
  4. 2024Mounting Sony Venice 2 on ARRI Trinity with SAM-0 plate: build configuration and balancing strategies.FacebookArri Artemis Trinity
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