Sony HVL-F28RM Help Manual page 18

Help Guide
Flash
HVL-F28RM
TTL flash photography (TTL)
TTL-flash mode measures the light from the subject that is reflected through the lens. TTL metering also has a P-TTL metering
function, which adds a pre-flash to TTL metering, and an ADI metering function, which adds distance data to the P-TTL metering.
Note
ADI metering is possible in combination with a lens with a built-in distance encoder. Before using the ADI metering function, check whether
your lens has a built-in distance encoder by referring to the specifications in the operating instructions supplied with your lens.
Work with the menu of the camera attached with this flash unit to specify [TTL Flash Firing] for the flash control
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mode.
For details on the external flash settings of the camera, refer to the operating instructions supplied with your camera.
By default, [TTL Flash Firing] is specified for the flash control mode.
For camera models compatible with this flash unit, visit the website at:
https://www.sony.net/dics/f28rm/
Press the shutter button on the camera to take a photo.
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Wait until the TEST button on the flash unit lights in orange (ready to fire), and then press the shutter button.
You can change the flash compensation value (adjust the flash power level) by pressing the LEVEL -/+ button on the
flash unit. When you press the button, the LEVEL lamp on the flash unit flashes.
When the flash compensation value is set to a value other than ±0.0, the LEVEL lamp lights.
When the flash compensation value is set to ±0.0, the LEVEL lamp goes out.
You can specify the flash power level in steps of 0.3 EV or 0.5 EV. To change the flash power level setting step, select
[External Flash Set.] - [Ext. Flash Cust. Set.] - [Flash Power Lv Step] from the menu of the camera attached with this
flash unit and change the setting option.
[0.3EV]: Changes the flash power level setting in steps of 0.3 EV.
[0.5EV]: Changes the flash power level setting in steps of 0.5 EV.
Auto WB adjustment with color temperature information
White balance is automatically adjusted on the camera (except for DSLR-A100) based on the color temperature information at the
time of flash firing.
Note
The Auto WB adjustment function works when:
this flash unit is attached to the camera and placed in TTL flash firing mode or manual flash firing mode.
[Auto] or [Flash] is specified for the white balance on the camera.
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