F/stop scale, Using the f/stop scale – Sony HVL-MT24AM User Manual

Page 38

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HVL-MT24AM_GB 2-889-493-01 (1)



When using other than ISO 100, or when using the wide panel

or diffuser

An additional adjustment must be applied to the previous tables.

Without wide

panel or diffuser

(Exposure adjustment)

With wide panel

(Exposure adjustment)

With diffuser

(Exposure adjustment)

ISO 25

+2 Stop

+3.5 Stop

+4.5 Stop

ISO 50

+1 Stop

+2.5 Stop

+3.5 Stop

ISO 100

No change

+1.5 Stop

+2.5 Stop

ISO 200

–1 Stop

+0.5 Stop

+1.5 Stop

ISO 400

–2 Stop

–0.5 Stop

+0.5 Stop

ISO 800

–3 Stop

–1.5 Stop

–0.5 Stop

ISO 1600

–4 Stop

–2.5 Stop

–1.5 Stop

f/stop scale

a full-stop

a half-stop

Decr

ease e

xposur

e

Incr
ease e

xposur

e

Using the f/stop scale

Using the f/stop scale at the left, moving

one step vertically is equal to a full-stop

change. Moving one step diagonally is

equal to a half-stop change.

Half a stop is basic for setting the

aperture in this step. When using a

0.3 stop setting camera, adjust the

aperture by a value as close as possible

to a value in the above table and use

the aperture around the f/stop scale.

For precise photography, bracketing is

recommended.

Example:

Starting at f/8, if you decrease the

exposure by a full stop, you get f/11.

If you increase by half a stop, you get

f/6.7.

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