Using The Sb-80Dx With The Coolpix - Nikon autofocus speedlight SB-80DX User Manual

Using the SB-80DX with the COOLPIX

COOLPIX 900 series (COOLPIX 995, etc.) and COOLPIX 5000
digital cameras have a built-in compact flash unit. When more
powerful illumination is required, or when performing multiple
flash, connecting the SB-80DX or another Nikon Speedlight to
the COOLPIX using cords is recommended as an external
flash unit.
Auto flash operation is possible by setting the SB-80DX's flash
mode to the TTL auto flash mode. The flash output level is
controlled by detecting signals from the camera to determine
when to start and stop firing in sync with the built-in flash,
which is controlled by the camera's Non-TTL auto flash
operation.
nUse the dedicated Multi-Flash Bracket Unit SK-E900 (optional) and
Multi-Flash Adapter AS-E900 (optional) for connection with all the
COOLPIX 900 series cameras except the COOLPIX 900 itself.
nFor connection to the COOLPIX 5000, attach the Speedlight directly
to the accessory shoe.
Please note that wireless multiple flash using the COOLPIX's
built-in flash as a master flash unit and the SB-80DX as a
slave flash unit cannot be performed.
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