Specifications
24. EXPOSURE METERING SYSTEMS
The camera is designed with 3 types of exposure metering systems: center-weighted average, spot and
automatic backlight control. Each system can be easily chosen by the Exposure Mode Selector Switch
according to taking conditions, subjects, and experience.
1. Center-weighted average exposure metering system
Lighting situations vary and the camera provides you with the means to
master them. Under normal conditions, center weighted average metering
is most applicable and determines an ideal balance between subject and
background lighting. (Fig. 83)4www.butkus.org
* This is a convenient metering system for general photography under
normal shooting conditions. It measures the viewing area, emphasizing
the center portion where the subject is likely to be, with diminishing
sensitivity toward the edges.
2. Spot metering system
This is especially advantageous for photomicrography, photography of
subjects on stage, etc. It measures the central spot (about 4%) if the
total image area, as defined by the edges of the central microprism area
for subjects which require selective measurement. (Fig. 84)
3. Automatic backlight control system
This is particularly effective when a subject is surrounded by an especially
light or dark background. This adjusts the average reading to obtain
proper exposure for the main subject.
Automatic backlight control (ABLC) is especially recommended for the
beginning to intermediate photographer. It uses both the spot and
average meters together to determine an ideal exposure.