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When using a TTL/Auto exposure camera (film or digital) in an Ikelite TTL-compatible
housing connected to the DS200 strobe by sync cord, the flash ready light in the camera
viewfinder and the DS200 ready light will both glow when the Substrobe has recycled and
is ready to fire.
If the Ikelite housing does not feature TTL compatible circuitry, then the ready light
in the camera viewfinder would not be triggered when the strobe has recycled.
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When using the DS200 strobe with the optional DS Sensor or EV-Controller
(without optional sync cord), the strobe is not electronically connected to the camera.
Therefore, the ready light in the viewfinder of the camera indicates when the on-camera
flash has recycled. Reference both the camera and DS200 ready lights to make sure both
flashes have fully recycled before taking the next picture.
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Most newer cameras and strobes feature TTL/Auto exposure, which automatically
compensates for aperture, distance, extension tubes, and filters. Considering the wide
range of apertures and subject distances, select the TTL/Auto exposure mode to easily
control balanced lighting and close-up photography.
When the strobe fires, the camera reads the light and automatically signals the
strobe to turn off when the exposure is correct. Both the strobe and camera must
feature TTL/Auto exposure compatible electronics. The appropriate TTL sync cord or
optional Ikelite DS Sensor is required to relay the TTL/Auto exposure signal from the
camera to the strobe.
Please review the "Compatible Camera" section on the previous page for additional
information.
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Ikelite offers interchangeable sync cords so that different camera systems can be
connected to the DS200 strobe. A TTL sync cord is required to send the TTL/Auto
exposure signal from the camera to the strobe.
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The Ikelite DS Sensor provides auto exposure functions through slave sensors
enabling the Ikelite Substrobe to be moved freely and positioned virtually anywhere.
The DS Sensor connects only to Ikelite DS Substrobes and detects when the light from
the TTL strobe connected to the camera starts and stops, and automatically signals the
Ikelite Substrobe to start and stop in sync.
Many digital still cameras feature a small built-in flash without a means to connect
a sync cord for an external strobe. For these situations, the optional Ikelite DS Sensor
#4100.5 may be compatible to trigger the DS200 strobe. The sensor detects the light
output from the camera’s built-in flash and automatically signals the DS200 strobe to
mimic the output. Some of the newest digital still cameras feature a preflash sequence
too quick for the Ikelite DS Sensor to identify proper auto exposure, and the Ikelite
EV-Controller #4100.6 would then be recommended instead.
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The DS200 strobe should NOT be continuously fired more than 15 times in rapid
succession. In such instances, allow the DS200 strobe to cool off for at least 10 minutes.
