Metz MECABLITZ 58 AF-1 N digital Mode D'emploi page 108

13. Correct exposure indication
The correct exposure indication „OK"
rectly exposed in TTL flash mode (3D-TTL, D–TTL, i-TTL, etc.) or automatic
flash mode.
If no „OK" exposure indication
underexposed. You will need to repeat the shot with the next smaller f-num-
ber (for example, f/8 instead of f/11), or the distance to the subject or
reflecting surface (for example with bounce flash) will have to be reduced.
Note the maximum flash range indicated on the display of the flash unit (see
16). For information on the correct exposure indicator in the camera viewfin-
der, see also 15.
14. Underexposure warning in TTL flash mode
In certain modes („P" and „A", for example), some Group C, D and E Nikon
cameras (see Table 1) respond to an underexposed flash shot with a warning
on the display of the flash unit, indicating the amount of underexposure in
f-stops (see the camera's operating instructions).
If the correct exposure indication „OK"
after a flash shot is taken, or if the flash symbol blinks in the camera viewfin-
der, then the display of the flash unit will briefly indicate the underexposure
in f-stops ranging from -0.3 EV to -3.0 EV in one-third increments.
In borderline instances the flash unit will not display an „OK", or the flash
symbol will blink in the camera viewfinder, even though the exposure is cor-
rect. In this instance, no indication will appear on the LC display of the flash
unit.
To enable underexposure warnings, the TTL mode (or 3D-TTL, D-TTL,
i-TTL, etc.) must be set on the flash unit.
108
only lights up if the shot was cor-
appears after the shot, then the shot was
does not light up on the flash unit
15. Displays in the camera viewfinder
Examples of displays in the camera viewfinder:
A green arrow symbol lights up:
Command to switch on or use the flash unit.
A red arrow symbol lights up:
The flash unit is ready for firing.
A red arrow symbol remains lit up after the shot or goes out briefly:
The exposure was correct.
A red arrow symbol blinks after shooting:
The shot was underexposed.
For information applicable to the displays in the viewfinder of your
camera model, refer to the camera's operating instructions.
16. Flash range indication
The maximum flash range is indicated on the display panel of the flash unit.
The value indicated relates to subjects with a reflection factor of 25%, which
applies to most photographic situations. Strong deviations from this reflection
factor, as in the case of highly reflective or poorly reflective subjects, may
affect the flash range.
In TTL and automatic flash mode, the subject should be in the middle third of
the indicated range. This will give the automatic exposure control sufficient
scope for compensation.
To avoid overexposure, the minimum distance from the subject should be no
less than 10% of the indicated value. An adjustment can be made to a parti-
cular photographic situation by changing the aperture setting, for example.
In manual flash mode M, the distance that must be maintained from the sub-
ject for correct flash exposure is indicated. An adjustment to the photogra-
phic situation at hand can be achieved by, for example, changing the aper-
ture setting on the lens and by selecting either full light output or „P" for a
partial light output level.
The flash range can be expressed in either meters (m) or feet (ft)