3. Conlirm exposure indicator LED.
4. Make sure subject is within the Ilash shooting distance range. With ISO 100 lilm, lor example, flash shooting distance range will be:
At 112 2.0m
At 112.8 1.4m
At 114 1.0m
At 115.6
At 118 0.6m
At 1111
o lights up | Correct exposure |
+ lights up | Background may be overexposed. |
| (Over +1EV) |
+ and 0 | Background may be overexposed. |
lights up | (+1/3EV - +1EV) |
- and 0 | Background may be underexposed. |
lights up | |
- lights up | Background may be underexposed. |
| (Below |
Select laster shutter speed and/or smaller aperture (larger
Select slower shutter speed and/or wider aper- ture (smaller
At f/16
For other film speeds, see the table on page
56.You can also estimate maximum shoot- ing distance using the guide number.
guide number· _ Maximum shooting full aperture - distance
i.e., if an 114 lens is used at ISO 100:
1239
-4 - = 3m or - 4- = approx. 9.8 It.
• For controlled shutter speed, see the table on page 62.
Guide number for each ISO is shown on page 62.
59