Olympus VT1621-01 User Manual download pdf (Page 193)

191

Glossary of Selected Terms

A mode

Denotes

Aperture priority mode

. In the A mode you choose the aperture for the effect you want to create in the

picture, and the camera selects the shutter speed.

AC adapter

The alternate power source for the camera. Connect the AC adapter to the DC IN jack on the camera, and then

plug the adapter into a common household wall outlet. When you use the AC adapter, the camera does not use

battery power. Use the AC adapter whenever possible to save the batteries.

Denotes

Automatic Exposure

. The built-in exposure meter automatically sets the exposure. This camera has three

automatic exposure modes: (1) P mode determines both aperture value and shutter speed, (2) A mode

determines shutter speed automatically based on the aperture value you select manually, (3) S mode determines

the aperture value based on the shutter speed you select manually. When you use the M mode, you set both the

aperture value and the shutter speed manually and the automatic exposure feature is not used.

AF target mark

The AF target mark operates and allows autofocusing to operate correctly even in darkness.

aperture

The adjustable opening behind the lens which controls the amount of light that enters the camera. The larger the

aperture, the shorter the depth of field and the fuzzier the background. The smaller the aperture, the greater the

depth of field and the sharper the background. Aperture is measured in f/stops. Larger aperture values indicate

smaller apertures, smaller aperture values indicate larger apertures.

autofocus

With automatic focusing, you can concentrate more on the framing and composition of the picture. Half-press the

shutter button to engage autofocus and keep your finger on the shutter button. After the subject is sharp, wait for

the expression or action you want, and then full-press the shutter button to take the picture. The AF target mark is

in the center of the viewfinder, so autofocusing may not be possible with an off-center subject. In this case, cover

the subject with the AF target mark in the viewfinder and half-press the shutter button. With the shutter button still

half-pressed, move the camera and compose the picture in the viewfinder. Then, full-press the shutter button.

bracketing

A technique commonly used to explore more than one possible exposure to ensure achieving the desired effect. In

order to bracket, you can manually (1) vary the f/stop from the one indicated, (2) vary shutter speed at the same

f/stop (3) change the ISO setting or (4) You can set this camera for automatic bracketing. Using automatic

bracketing, the camera will take several exposures while automatically varying the exposure plus and minus.

CAMEDIA Master

A software application provided for downloading images from the camera to a computer. Other useful features are

provided for viewing and enhancing images.

CCD (Charge-coupled device)

A solid-state array of picture elements. The camera lens focuses incoming light onto the CCD, and the CCD

converts the light quantity at each pixel into a corresponding electronic signal.

center weighted averaging metering

A light metering mode or technique that uses an average of the center and periphery of the image area but is

biased toward the information at the center of the image area. This method is best used when the brightness of

the center and periphery of the image area does not vary greatly. See also

digital ESP metering

and

spot

metering

close-up

Taking pictures with the camera very close to the subject. With this camera you can take pictures within the range

20~60 cm (8 inches~23.5 inches) in the macro mode. When shooting close-ups with long exposures, make sure

that the subject is still and that the camera is steady to avoid camera shake.

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Olympus VT1621-01 User Manual Page 193

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