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Exposure metering
Exposure metering methods
The LEICA S2 provides three different exposure metering
methods:
Setting the function
1. In the CAMERA section of the menu (see p. 13/22), select
Exposure Metering (5.3) and
2. in the associated submenu, select the desired option.
1
Spot metering -
For spot metering, only the metered value from the center field
is used.
Center-weighted metering -
1
Center-weighted metering uses all metered values but they are
weighted differently than with multiple field metering.
This metering method takes account of the entire image field,
although the parts of the subject situated in the center have
more influence on the exposure value calculation than the
areas at the margins.
Multiple field metering -
1
This metering method is based on recording five metered
values. One value is determined in a field in the center of the
image, the other four in the surrounding fields. An algorithm is
used to calculate these five measured values according to the
situation.
1
Symbols only appear in the viewfinder (see p. 9)
34 / Exposure metering methods / Spot metering
Metering memory lock
The LEICA S2 records
- different parts of the subject during exposure metering,
depending on the metering method, and weights them differ -
ently,
- only part of the subject with autofocus metering (see p. 33).
The values are initially always stored using the shutter release
button (1.1, see p. 32). Depending on the setting in the menu,
you can use button 1.17 to either
- retain one of the (stored) settings even if you let go of the shut-
ter release button, e.g. to store different exposure and/or
focus settings by pressing to the pressure point again, or
- store the setting not stored with the shutter release button.
In contrast to the shutter release button, button 1.17 stores the
relevant settings not just for one picture but also for as long as
it is held down, i.e. possibly for several pictures.
The AE-/AF-Lock (Automatic Exposure / AutoFocus) option in
the menu is used to select the assignment of the functions.
Storing with the shutter release button
1. Aim the circle in the viewfinder at the area to be metered.
2. Press the shutter release button (1.1) to the 2
point. As long as the button remains depressed, the value is
stored.
3. In the automatic exposure modes ,
the light balance appears (2.7b) and shows the variation
from the stored measured value. If the aperture or shutter
speed is changed during this time, the other value adjusts
accordingly and is displayed.
4. While keeping the shutter release button at the pressure
point, compose the final picture detail and
5. Then release the shutter.
The storage is cancelled when the shutter release button is let
go from the pressure point.
nd
pressure
and
(see p. 38/39)
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