PocketWizard FlexTT5 - High Speed Sync

Advanced Wireless TTL
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Note: Most changes made on camera (ISO, aperture, etc) will not display on back of remote flash’s LCD and the
remote flash will not zoom with the camera lens. Due to the way our radios communicate with Nikon flashes, the
display on the flash LCDs will default to ISO 200, and the zoom will go to the widest the moment you turn on the
FlexTT5. Automatic zoom only works for the on-camera Speedlight. The zoom feature on the Speedlights is
designed to match the flash's light output to the current focal length of a lens only when the flash is at the camera
position. If you want to set the zoom level of a remote Speedlight, it needs to be set manually via the flash's controls.
This behavior with our radios is actually the same behavior that Nikon's optical iTTL system exhibits.
The ISO display isn't transmitted to the remote flashes with our radios, because it isn't actually needed for TTL
operation. This doesn't affect exposure in any way. Changes in camera ISO will still be accounted for, because our
radios do send the TTL metering information to the flash, which responds to changes in power. You'll notice that
when using Nikon's own CLS, no ISO information is even displayed.
References
[1] http:/ / www. pocketwizard. com/ inspirations/ tutorials/ ratios_flashoncamera/
[2] http:/ / www. pocketwizard. com/ inspirations/ tutorials/ wireless_ratios_remote_flash/
[3] http:/ / www. pocketwizard. com/ inspirations/ tutorials/ remote_manual_flash/
[4] http:/ / www. pocketwizard. com/ inspirations/ tutorials/ sb900/
High Speed Sync
Next recommended reading: PowerTracking
The MiniTT1 and FlexTT5 support High Speed Sync (HSS) for Canon and FP Sync for Nikon. No configuration is
necessary for the radios.
• If you have a Nikon camera, adjust the Flash Sync Speed setting in the Custom menu to 1/250s (AutoFP) for most
cameras. The D600 and D610 need to be set to 1/200s (AutoFP).
• If you are using a Canon flash as an on-camera flash, attached to the transmitting radio, the Master flash needs to
be set to HSS via the flash's menu. It is not necessary to set remote Canon flashes to HSS.
HSS/FP is seamlessly engaged with the default settings at appropriate shutter speeds, letting you synchronize flashes
that support HSS/FP at any speed.
Keep in mind that flashes actually pulse and act as a continuous light in this mode, which significantly reduces
effective flash power.
Mark Wallace demonstrates High Speed Sync in this video:
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Read more about the available options for high speed photography with any flash: Understanding HyperSync and
High Speed Sync.
See details from Canon about High Speed Sync with Speedlites at canon.co.jp
[1]
.
See details from Nikon about FP Sync with Speedlights at nikonusa.com
[2]
.