Sony HVL-MT24AM User Manual download pdf (Page 55)

Additional Information

Manual ash metering

Flash-subject

distance

Aperture

Flash power lineFlash power line

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.

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 lewards from  until it reaches the vertical ISO line

corresponding to the camera used ().

Draw a diagonal line from  upwards and lewards. 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.

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Sony HVL-MT24AM User Manual Page 55