Nikon Compatibility
20
Operational Notes
ControlTL Remote Camera
Using the default settings, remote cameras with a receiving FlexTT5 will be limited to Single Shot mode and there
will be a delay between subsequent triggers. To learn more about remote camera triggering with ControlTL radios,
visit our Remote Camera Triggering page.
Flash Exposure Compensation
Flash exposure compensation is controlled as part of the camera’s exposure compensation, set via the exposure
compensation button near the shutter release. This compensation works in all shooting modes, including Manual.
When in Manual mode, the exposure compensation will only affect the flash exposure, as the camera exposure is
controlled by the settings you have selected manually.
Speedlight Light Pattern
The SB-910, SB-900, and SB-700 have a special Light Pattern Menu, which allows you to set a slightly different
light output pattern. Of the three options in this menu, “STD” for Standard output must be selected. Selecting either
“CW” for Center-Weighted or “EVEN” for Even output is not supported and may result in exposure errors.
Vibration Reduction (VR) Mode Auto-Detection
When using VR Lenses, switching the VR Mode on or off results in the transmitting radio taking a calibration shot to
adjust for the resulting flash timing shift. This may result in a single missed frame after toggling the VR mode on or
off. In rare cases, when shooting above your camera’s x-sync speed (1/250th or faster on most cameras), this
calibration shot may fail, and continued dark frames may occur. If this happens, take a test shot at 1/160th or 1/200th
of a second, and then move back to your desired shutter speed. In the interest of simplicity, we recommend leaving
VR-mode either on or off for the duration of your shooting session.
Pre-Flash Boost controls
Modern TTL (Through The Lens) metering systems are based on a pre-flash fired an instant
before the camera’s shutter opens, allowing the camera to calculate the amount of light output
required for a proper exposure. Pre-Flash Boost is a feature which increases this metering
pre-flash’s light output, which helps to make more accurate TTL exposure calculations at the
longer distances our ControlTL radios can achieve. It also helps compensate for light lost when
using a light modifier like an umbrella or soft box. By default, this feature adds approximately
2 stops of light output to these metering flashes. This light output can be controlled by the EV controls on the back of
the remote flash. The amount of pre-flash boost compensation set on the remote flashes will not affect the final
exposure. This allows you to increase the pre-flash boost beyond the default value for subjects farther away, and
decrease the pre-flash boost for subjects very close to the flash.
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