Sekonic Flashmate L-308S Operating Manual page 15

2) Press measuring button
measurement. Release the measuring button to
complete the measurement. The measured value
(EV value) at that time will be displayed.
While pressing the measuring button, the meter
measures continuously until it is released.
REFERENCE: • EV (exposure value) is the reading that logarithmically
• The relationship between aperture value (AV), shutter speed
• With the ambient light Shutter Speed Priority mode, if the Up
Aperture Value & Shutter Speed Value, EV Contrast Table
Horizontal axis is for aperture values and the vertical axis is for
shutter speed values. The numbers on gray is EV.
r
to make a
expresses the constant quantity of light combined from the
shutter speed and aperture value.
With 1 EV change the quantity of light doubles (or halves).
value (TV = Time Value) and EV is EV = AV + TV. From this
relationship formula, the number of ways that the aperture and
shutter speed can be combined against a certain constant EV
can be calculated.
and Down buttons are pressed after measuring, the shutter
speed value will change and in accompaniment of that an
appropriate aperture value (measuring value) will be displayed.
5. Measurement
Measurement value (EV)