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PocketWizard ControlTL Firmware Update 4.250

PocketWizard ControlTL Firmware Update 4.250

ControlTL Firmware v4.250 Optimizes HSS/FP Sync

New feature provides amazing energy savings for faster recycling, more shots per battery while enabling greater working distances.

5D Mark II now compatible with on-camera flash with ControlTL system.

South Burlington, VT – Through-the-shoe communications allow PocketWizard radios, with version 4.250 ControlTL firmware, to significantly boost the performance of the High Speed Sync (HSS) feature of Canon Speedlite flashes. This means more light (which equals greater working distance), faster recycling times and more flashes per battery set when shooting in Canon’s HSS/FP Flash mode.

Because the new MiniTT1 Transmitter and FlexTT5 Transceiver communicate through-the-shoe with the camera system, they can control the HSS burst duration.  By precisely matching flash duration to the shutter speed, large gains in efficiency were found, as much as 60% in many cases, for both remote and on-camera flashes.

This gain in efficiency is immediately translated into shorter recycle times, allowing faster HSS shooting, more shots per battery set, and up to 1 ½ stops more output potential which enables greater working distances between the subject and the flash.


The new firmware also allows photographers to disable HyperSync™ mode in the MiniTT1 and FlexTT5, allowing use of HSS for shutter speeds down to 1/320 second. This is especially useful for the Canon 5D and 5D MK II whose shutter mechanisms can’t take full advantage of the HyperSync mode.

PocketWizard has also found a solution to allow on-camera flash with the 5D Mark II when using the MiniTT1 or FlexTT5.  Earlier firmware was not capable of firing a flash mounted on the hot-shoe of the MiniTT1 or FlexTT5 working on the camera.

These incredible new features are available for both the MiniTT1 Transmitter and FlexTT5 Transceiver running firmware version 4.250.  Units running older firmware may be easily updated to the latest release via a firmware upgrade by going to the maintenance tab of the PocketWizard Utility and click “check for updates” or go to PocketWizard.com/support/downloads to download the utility. Learn more about the new ControlTL Firmware v4/250 here or Download Manual Addendum v4.250 here.

Firmware version 4.250 is not compatible with versions 4.100 or earlier so all units should be updated to the latest release. You can also find detailed information about these new features at PocketWizard.com/inspirations/technology/fp_sync_hss

PocketWizard products are made by LPA Design, based in South Burlington, Vermont and sold by MAC Group in the USA and authorized distributors around the world.


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