Olympus C-2040ZOOM User Manual download pdf (Page 216)

Miscellaneous

216

Glossary of terms

A (Aperture Priority) Mode • • • • • • • •

In this mode, you set the aperture your-

self and the camera automatically varies

the shutter speed according to the aper-

ture setting so that the picture is taken

with the optimum exposure.

AE (Automatic Exposure) • • • • • • • •

This is a system whereby the camera

uses a built-in exposure meter to auto-

matically set the exposure. The 3 AE

modes available on this camera are P

mode, in which the camera selects both

the aperture and shutter speed, A

mode, in which the user selects the

aperture and the camera sets the shut-

ter speed, and S mode, in which the

user selects the shutter speed and the

camera sets the aperture. In M mode,

the user must select both the aperture

and the shutter speed.

Aperture • • • • • • • • • • • • • • • • • • • •

This is a mechanism for adjusting the

amount of light that passes through the

lens. Lower values allow more light to

pass, while higher values lessen the

amount of light. When you set the lowest

aperture value for a lens, the aperture is

at its widest. Conversely, the highest

aperture value gives the narrowest

aperture.

Backlight • • • • • • • • • • • • • • • • • • • •

A light source provided for the Monitor

so that it can be seen more easily.

CCD (Charge-coupled Device) • • • • •

A pickup element that converts light

passing through the lens into electrical

signals. On this camera, light is picked

up at 2.11 million points and converted

to RGB signals to build a single image.

Contrast Detection Method • • • • • • •

This is a method used to measure the

distance to the subject. The camera

determines whether the image is

focused by detecting the level of con-

trast in the subject.

Conventional Photograph • • • • • • • •

This refers to the system of recording

images using silver halide. (This is the

method for recording images on film in

conventional, non-digital photography.)

This system is in contrast to still video

and digital photography.

DCF • • • • • • • • • • • • • • • • • • • • • • • •

(Design rule for Camera File system)

A standard formulated for image files by

the Japanese Electronic Industry

Development Association (JEIDA).

Digital ESP (Electro-Selective Pattern)

light metering • • • • • • • • • • • • • • • • •

A light metering method that determines

the exposure by metering and calculat-

ing the light levels in the center and

around the periphery of the image sep-

arately.

DPOF • • • • • • • • • • • • • • • • • • • • • • •

(Digital Print Order Format)

A format used for recording automatic

print settings for digital cameras. By

recording which images are to be print-

ed and the number of copies of each

image on the card on which the images

are saved, the user can automatically

have the desired images printed by a

printer or print lab that supports the

DPOF format.

Eclipsing (Vignetting) • • • • • • • • • • •

This refers to the situation where there is

an object that obscures part of the field

of view so that part of the subject is not

photographed. Vignetting also refers to

the situation where the image seen

through the viewfinder does not exactly

match the image shot through the

objective lens so that the photographed

image includes objects not seen

through the viewfinder. Vignetting can

also occur when the incorrect lens hood

is used and shadowing appears in the

corners of the image.

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Olympus C-2040ZOOM User Manual Page 216

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