Olympus C-2500L User Manual download pdf (Page 88)

E-82

An abbreviation for "Automatic Exposure".

The built-in exposure meter automatically sets exposure. The

exposure depends on the aperture. C-2500L has aperture

mode AE and programmed AE. The user sets the aperture

first manually under aperture mode AE while the camera sets

the aperture and the shutter speed automatically under pro-

grammed AE.

A mode

"A" is an abbreviation for aperture.

The user sets the aperture first manually and the camera

sets the shutter speed accordingly.

Aperture

The mechanism for controlling the amount of light. The small-

er the aperture is, the more fuzzy the background is. This is

used for perspective.

Autofocus

The mechanism to bring a subject into focus automatically.

Browser

Internet viewing software. Popular products are Netscape

Communicator and Microsoft Internet Explorer. Pictures taken

with the Camedia C-2500L can be viewed with a browser.

Close-up

Generic term for taking photographs at a close distance to

the subject. With the Camedia C-2500L, you can take pho-

tographs up close to the subject in either the macro mode (30

cm ~ 60 cm) (1 ft. ~ 2 ft.)or super macro mode (2 cm~30 cm)

(0.8 in. ~ 1 ft.).

Center metering

Light metering technique which measures light across a wide

area centered on the subject. This technique is suitable for

general photography, but its disadvantage is that the overall

exposure of the entire image can be affected by extremely

bright or dark spots.

Color temperature

Barometer to indicate a color of the source of light. The unit is

"K (kelvin: the unit for the absolute temperature)". The color of

light vary with increase of the temperature, such as

red

➝orange➝yellow➝white➝blue-white. Color temperature

shows the relation between the color and the temperature.

The actual temperature of the sun (surface temp: 6000˚K)

agrees with its color while fluorescent lights measure 4200˚K

because they seem the same as objects whose absolute

temperatures are 4200˚K.

CompactFlash memory card

Compact recording media. Storage capacity is 2MB or more.

CompactFlash memory card adapter

Adapter used to read images stored on a CompactFlash

memory card with a personal computer. The card is fit inside

the adapter and then the adapter is loaded into the PC's card

slot. After that, images can be read on PC.

Diopter adjustment mechanism

The mechanism to optimize the image in the viewfinder. It

adjusts by changing the diopter of the finder lens. Viewfinder

images are set to best fit for people with ordinary eye-sight.

Therefore, those who are nearsighted or farsighted can't view

them properly without glasses on. Diopter adjustment mecha-

nism adjusts this.

An abbreviation for "Exposure Value".

EV=0 when the aperture value is f1 and the shutter speed is

1 second under ISO=100. The value increases by 1 as the

aperture value increases by 1 or the shutter speed becomes

longer by 1 step. In the reverse case, EV decreases. It is also

possible to express EV with brightness and ISO. When ISO

doubles, the value increases by 1; when ISO is halved, the

value decreases by 1.

Exposure

Amount of light entering the camera. Exposure is based on

the shutter speed and aperture.

Exposure compensation

The operation of compensation by increasing or decreasing

the exposure which has been set under AE. When increasing,

it is called "Plus compensation", and when decreasing, it is

called "Minus compensation".

Flash Path

Adapter for 3.5 inch floppy disk, used to read images stored

on a SmartMedia with a personal computer. The card is fit

inside the Flash Path and then the Flash Path is loaded into

the PC's 3.5 inch floppy disk drive. After that, images can be

read on PC.

Focus

The act of bringing a subject into a sharp, clear image.

Format

1 A style for images or documents. C-2500L supports JPEG

and TIFF.

2 The process of readying a blank disk or card for its first

use.You need to format SmartMedia/CompactFlash memory

cards before use.

ISO

Unit for expressing the photosensitivity of 35mm film, com-

monly referred to as "film speed". The sensitivity scale stan-

dardized by the International Standards Organization (ISO) is

used with the Camedia C-2500L. Commonly, it is expressed

in the form of "ISO 100". The higher the numerical value, the

higher the sensitivity to light. ISO is used for the digital cam-

era, too. With this camera, you can select from 3 speeds:

100, 200 and 400.

JPEG

Compression standard for color still pictures. Image data

taken with the Camedia C-2500L is stored on the

SmartMedia or CompactFlash memory card in JPEG format.

Image data on either type of media can be edited with graph-

ic applications and viewed with a browser.

Glossary

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