The PocketWizard PTMM Pre-Trigger Adapter converts an ACC stereo mic cable to a mono miniphone pre-trigger cable. The pre-trigger switch acts like a shutter release, letting you wake a camera from sleep without firing the shutter. Additionally, it enables you to half-press to focus using a compatible PocketWizard transceiver.
The PocketWizard PTMM Pre-Trigger Adapter is compatible with: