Exposure; Display Panel Illumination - Canon EOS 620-650 User Manual

1) Center the AF from ('[ ]" mark) over the main subject.
Do not touch the lens' moving parts during AF focusing.
2) Press the shutter button halfway and automatic focus (AF) starts. When correct focus is obtained, the green
AF in-focus indicator lights up in the viewfinder and the AF focus signal (short electronic beeper tone) sounds.
· Original focus remains locked, even if the subject or focusing distance changes as long as the shutter button is
held halfway.
· When AF is impossible, the green AF in-focus indicator will start blinking and the shutter will not release. (see
pp. 54 to 56.)

4. Exposure

· If correct exposure is not possible, both the shutter speed and the aperture blink to warn you.
Underexposure warning--Switch to flash photography.
· In underexposure warning, the maximum aperture of the lens in use blinks. (The blinking shutter speed is
always 30".)
Overexposure warning--Use an ND (neutral density) filter.
· In overexposure warning, the minimum aperture of the lens in use blinks. (The blinking shutter speed is
always 2000 with the EOS 650 and 4000 with the EOS 620.)
2) Compose the picture and while continuing to hold
down the shutter button gently press the shutter
button completely to take the picture.
· The camera automatically advances the film to the
next frame.
· Set the main switch to "L" to turn off the
This camera is equipped with advanced "evaluative metering" so it automatically recognizes lighting conditions,
subject pat" tern, and even subject size in the picture area. Even when there is a difference in brightness
between the main subject and the background (e.g. backlit photography), correct exposure can be obtained
without exposure compensation.
1) Gently press the shutter button halfway to check the exposure.
Exposure will be correct if the shutter speed and aperture values remain
continuously lit at the bottom of the viewfinder.
· Once the shutter button is pressed halfway, the display is held on for
approximately eight seconds.
· When the automatically-set shutter speed is too slow to hand-hold, the
camera-shake warning sounds (long electronic beeper tone). We
recommend using a tripod or a flash.
Press the display panel illumination button to illuminate
the display panel for approximately eight seconds.
· To turn off the illumination within eight seconds press
the display panel illumination button again.
Display Panel Illumination (EOS 620
Only)