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HVL-MT24AM_GB 2-889-493-01 (1)
55
Additional Information
Manual flash metering
Flash-subject
distance
Aperture
FlashpowerlineFlashpowerline
1/1
1/2(1/1)
1/4(1/2)
1/8(1/4)
1/16(1/8)
1/32(1/16)
1/64(1/32)
(1/64)
1/1
1/2(1/1)
1/4(1/2)
1/8(1/4)
1/16(1/8)
1/32(1/16)
1/64(1/32)
(1/64)
e following explains how to obtain the aperture using the two twin ash units
with a power level of 1/1 at 1.5 m ash-to-subject distance and at ISO 100.
1 Draw a vertical line upwards from the ash-to-subject distance until it reaches
the ash power line that corresponds to the set power level ().
2 Draw a horizontal line lewards from until it reaches the vertical ISO line
corresponding to the camera used ().
3 Draw a diagonal line from upwards and lewards. e result indicates the
aperture that will provide the proper exposure ().
In this case, the proper exposure can be obtained by setting the camera’s aperture
to f/16.
e gures in parenthesis are employed when only one twin ash unit is used.