Vivitar DSLR AF Flash Pro 648 Power Zoom VIV-PRO-648 Manual Do Utilizador
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Taking a Picture AF / TTL Operation
If you need to change the mode, simply press the mode selector.
For Canon type flashes, this flashgun's ETTL indicator will light while
connected with ETTL cameras.
For Nikon type flashes, this flashgun's LCD Display will show TTL, I-TTL
and BL in different ways while connected to different camera models.
Please refer to your camera's manual.
• Manual flash mode at full light output
To use the flashgun at full light output in the manual mode, the mode
selector must be set to the M (Manual) position. The LCD display
indicates M (Manual). A full-power flash will then be fired each time
the flashgun is triggered. The LCD display automatically shows the
flash-to-subject distance required for a correct exposure.
An adaptation to the individual shooting situation can be achieved by
changing the lens diaphragm or the focal length (on the camera). 5
level "Power Ratios" of 1/1, 1/2, 1/4, 1/8 and 1/16 could be selected by
slightly tapping the Mode selector when it is at the manual position.
For Nikon D40 and D40X owners: The flash can support an ISO speed
up to 800 in full auto mode. It may not perform as expected at higher
speeds.
For Canon type flashes, this flashgun's ETTL indicator will light while
connected with ETTL cameras.
For Nikon type flashes, this flashgun's LCD Display will show TTL, I-TTL
and BL in different ways while connected to different camera models.
Please refer to your camera's manual.
• Manual flash mode at full light output
To use the flashgun at full light output in the manual mode, the mode
selector must be set to the M (Manual) position. The LCD display
indicates M (Manual). A full-power flash will then be fired each time
the flashgun is triggered. The LCD display automatically shows the
flash-to-subject distance required for a correct exposure.
An adaptation to the individual shooting situation can be achieved by
changing the lens diaphragm or the focal length (on the camera). 5
level "Power Ratios" of 1/1, 1/2, 1/4, 1/8 and 1/16 could be selected by
slightly tapping the Mode selector when it is at the manual position.
For Nikon D40 and D40X owners: The flash can support an ISO speed
up to 800 in full auto mode. It may not perform as expected at higher
speeds.