Canon EOS-1D Mark II Digial Tipps und Techniken - Seite 18

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Background

Traditionally photographers have used the FLR (focus, lock, recompose) method when

interfacing with their camera and their subject. This is how it had to be done with

manual focus cameras and the early auto-focus models with a single focusing point.

Almost everyone knows how to use FLR, but it can cause problems. First, it's not nearly

as fast as some of the methods we'll discuss here. Metering is less precise, particularly

flash metering. Additionally, it can lead to backfocusing problems when shooting at

wider apertures within 15 feet of the subject.

The fastest and most accurate way to work is to compose first and then use the benefits

of the 45-point Area AF sensor to get your focusing and metering settings.

By using this Event combination, the photographer obtains many focusing options, all

without having to take attention away from the subject. It also allows the scene to be

composed in the viewfinder prior to choosing a focusing point. This is helpful because

in shooting these types of events, people are unpredictable in their movements and

with a quick flick of the thumb the photographer can be ready for any rapidly changing

shot without having to lock focus and recompose. Compose the shot, and then just pick

the point that works best.

Another advantage is that when using this combination of settings with Evaluative

Metering, the camera will give more precise metering for your intended subject and do a

better job of automatically compensating for backlighting and unevenly lit scenes.

For EOS-1D and EOS-1Ds cameras that use E-TTL (not the newer E-TTL II), this

combination will also give you much more reliable flash exposures when you've chosen

a focusing point that lands on your subject, rather than using FLR.

It will take some practice to break the habit of FLR, but once you learn how to use the

45-point AF system effectively, it can really improve your performance as a

photographer.

Operation

Turn the QCD on the back of the camera to "roll" from AF point to AF point along the

outer periphery of the AF Area ellipse. Tap the Assist Button to immediately go to the

center AF point (this combination has automatically assigned the center point as the

HP). To get off the center point and back to an outer AF point, simply use the QCD again.

This combination affects the focus point selection method only, not the focus activation.

Actual focusing is done by pressing the shutter release halfway.

Hidden Feature: To get back to AFPS immediately... while holding the shutter release in

the halfway position (SW-1), tap the AF Point Selection Button and release. The camera

will stay on AFPS until you either use the QCD or tap the Assist Button. This is useful

because generally, in well over 50% of shots in a wedding or event type environment,

I. CAMERA FEATURES AND OPERATION