Leica M Monochrom Bedienerhandbuch PDF herunterladen (Seite 126)

124

EXPOSURE MODES

The Leica M Monochrom provides two exposure

modes: Aperture priority mode and manual mode.

Depending on the subject, situation and your individual

preferences, you can thus choose between

– the familiar “semi automatic” operation, or

– setting a fixed shutter speed and aperture.

APERTURE PRIORITY

If the shutter speed setting dial (1.17) is in the

position, the camera's electronics generate the shutter

speed automatically and continuously in the range

4000

s to 32s, taking into account the sensitivity

setting, the metered brightness and the manually

selected aperture.

The generated shutter speed is displayed digitally in the

camera viewfinder; for better clarity it is displayed in

half steps.

For shutter speeds slower than 2s the remaining

exposure time is counted down and displayed in

seconds after the shutter release. The actually

generated and continuously controlled exposure time

can however vary from the half step value displayed:

For example, if the display shows 16 (the closest

value) before releasing the shutter, but the calculated

exposure time is longer, the countdown after releasing

the shutter may actually start from 19.

Under extreme lighting conditions, based on all the

parameters the exposure meter may generate a shutter

speed that is outside the working range, i.e. brightness

values that would require shorter exposures than

4000

s or longer than 32s. In such cases the specified

minimum or maximum shutter speed is nevertheless

used, and these values flash in the viewfinder, as a

warning.

METERING MEMORY LOCK

For compositional reasons, the most important part of

the subject is often not in the center of the picture, and

as a result such important parts of the subject may be

excessively light or dark. However, the center-weighted

metering on the Leica M Monochrom essentially only

detects an area in the center of the picture and is

calibrated to an average gray scale value.

Subjects and situations of this type can be overcome

very easily even in aperture priority mode, using

metering memory lock.

To do this:

1. The center of the viewfinder is first pointed at the

crucial part of the subject by moving the camera,

or alternatively at some other detail of average

brightness,

2. and the shutter release button (1.19) is then pressed

to its 2

pressure point to meter and store the

relevant values. As long as the pressure point is

held, a small red dot appears in the viewfinder at

the top in the digits line for confirmation, and the

exposure time no longer changes even if the lighting

conditions are different.

3. Keeping the shutter release button pressed, move

the camera to capture the final picture,

4. and the shutter can then be released using the

exposure originally determined.

Changing the aperture setting after using metering

memory lock has no effect on the shutter speed, and

will lead to an incorrect exposure.

Storage is cancelled when you remove your finger from

the shutter release pressure point.

Note:

Metering memory lock is not available if the

Soft

shutter release function is selected (see p. 108).

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