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•When using the Three-Level Auto (red, green, and yellow settings) mode, the aperture value is adjusted as shown in the table. When the flash is fully charged, the shutter speed also varies within the shutter speed range of 1/60 to a slower speed which does not cause camera shake. The slowest shutter speed varies according to the lens focal length. When a 645A - lens is use, the shutter speed will be set to 1/60 of second.
| AF200T | AF280T | AF400T |
Red | f/2.8 | f/4 | f/4 |
Green | f/5.6 | f/8 | f/8 |
Yellow | | | f/11 |
with ISO 100
Multi-burst flash with the Pentax dedicated flash
When discharging more than 2 Pentax dedicated flashes, make sure that they are of the same type, combine Type A with Type B or Type C with Type D. (refer to the overview of Flash Function on page 71).
