Page 126 - (DK) Advanced Photography Guide

124 APPLYING | 10-STOP FILTERS

CREATING EXTREME BLUR

In bright light conditions you can use a 10-stop exposure calculator apps that are available for
neutral density (ND) filter to blur any movement in a smartphones and tablets. If you are shooting in low
scene—rivers, seascapes, and windblown foliage are light, fitting a 10-stop filter can result in an exposure
subjects that work really well. When using an extreme longer than 30 seconds. This means that you will
ND filter you will need to calculate the shutter speed, need to use the camera’s Bulb mode (see pp.60-61),
and you can do this with one of the many simple in which you manually time the exposure.

COMPOSE THE SHOT SELECT APERTURE PRIORITY SWITCH TO MANUAL FOCUS
Choose a scene that will have a Start with Aperture Priority, and set Use the camera’s autofocus system
lot of potential for movement during the aperture needed to obtain sufficient to focus the scene, then switch the lens to
the exposure. Set up your tripod. If you depth of field. Press the shutter button manual focus. This will stop the camera
are shooting with a wide-angle lens, get to take a meter reading, and note the from trying to refocus once you have
close to the subject. shutter speed suggested by the camera. attached the filter.

6 Stops 10 Stops 15 Stops

SELECT MANUAL
Switch the camera setting to
Manual and set the aperture setting to
the same value that you originally set
in step 2.

ATTACH THE REMOTE RELEASE
Attach a remote release to make
CALCULATE EXPOSURE sure the camera does not move when
Enter the shutter speed suggested the shutter is fired. For exposures longer
in step 2 into an exposure calculator app than 30 seconds, when Bulb mode is
to find out what shutter speed you need Timer required, a remote release is essential.
when the filter has been attached. Set
this new shutter speed on your camera. Normal Shutter Speed With the Big Stopper

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