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Small black rectangular remote with three dials, 1.7 by .9 by 2 inches, 2.12 ounces

PocketWizard

PocketWizard AC3 ZoneController for Canon cameras, black

SKU CH-SZ0E-PH5BZ

Controls three independent flash zones from the camera with 1/3-stop power adjustment in E-TTL or manual mode

  • Product colorBlack
  • Key featuresErgonomic
  • Controls three flash groups from the camera
  • Adjusts each zone in 1/3 stop increments
  • Works with Canon E-TTL II system
  • Ergonomic dials for quick power changes
  • Compact 1.7 x 0.9 x 2 inch design

PocketWizard AC3 ZoneController for Canon

The PocketWizard AC3 ZoneController attaches to a Canon camera and lets you manage three independent flash groups from the shooting position. It operates in both E-TTL and manual modes, giving photographers direct control over lighting ratios without leaving the camera. The ergonomic dial layout is built for quick adjustments during portrait, event or commercial sessions.

Thermals noise and power draw

The unit draws negligible power from the camera body and produces no audible noise or measurable heat during normal use. Its passive design means there are no fans or active cooling components to fail. Battery life on the host camera is unaffected by the controller itself.

Upgrade path and when it matters

This controller replaces the need to walk back and forth to each flash or rely on camera-menu diving for group power changes. The jump is worth it when you regularly light with two or more off-camera flashes and need 1/3-stop precision across a six-stop range. It does not add radio triggering on its own, so a compatible PocketWizard transceiver is still required for wireless operation.

How it compares

Measured against everything we stock in Shutter Remotes & Camera Cables, at today’s prices. Recalculated every night.

Price $56.99
Pricier than about 84% of the 249 comparable items (median $17.99).

Specifications

Product
Brand namePocketWizard
Model nameAC3
Product colorBlack

Questions about this item

How do I attach the AC3 ZoneController to my Canon camera and what step do people miss?

Slide the unit onto the camera hot shoe and tighten the locking wheel until it clicks; the step often missed is confirming the wheel is fully seated so the ControlTL contacts align.

What maintenance or replacement will the AC3 need over time?

The three adjustment dials and hot-shoe locking wheel are the only moving parts; keep them free of grit and replace the unit if the detents wear and 1/3-stop clicks become unreliable.

What limit appears first when I use the AC3 continuously during a long shoot?

The six-stop, 1/3-increment power range across three zones is the control limit; beyond that you must reposition lights or change flash output manually.

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