Adorama Photography TV Presents Photo on the Go with Joe McNally. Join Joe in Hong Kong as he explains how to test the line of sight with a built-in camera flash and a SB-900 flash.
Watch as Joe McNally tests the strength of his DSLR's built-in flash to get the line of sight TTR transmission, and then uses his SB-900 as a commander in order to "talk" to the flash on his subject in this videom made exclusively for AdoramaTV.
It is important to use a TTR transmission when taking photographs of a subject that has a large depth of field. By using this technique, you can stack the background lighting and color in close to your subject in order to achieve the photo you need. The TTR transmission will make it easier for you to capture your subject from a distance.
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