Olympus C3020 C-3020 Zoom Reference Manual (5.6 MB) - Page 200

Glossary of terms

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Glossary of terms Chapter 12 A (Aperture Priority) Mode You set the aperture yourself and the camera automatically varies the shutter speed so that the picture is taken with the best exposure. AE (Automatic Exposure) The camera's built-in exposure meter automatically sets 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 shutter speed; and S mode, in which the user selects the shutter speed and the camera sets the aperture. In M mode, the user selects both the aperture and the shutter speed. Aperture This adjusts the amount of light that passes through the lens. Lower values allow more light to pass, while higher values reduce 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 in the Monitor that lets it be seen more easily by lighting from behind. CCD (Charge-coupled Device) This converts light passing through the lens into electrical signals. On this camera, light is picked up at 3.34 million points and converted into RGB signals to build a single image. Contrast Detection Method This is used to measure the distance to the subject. The camera determines if the image is focused on by the level of contrast in the subject. Conventional Photograph This refers to recording images using silver halide (the method for recording images 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 for image files by the Japan Electronics and Information Technology Industries Association (JEITA). Digital ESP (Electro-Selective Pattern) light metering This determines the exposure by metering and calculating the light levels in the center and other areas of the image separately. 200

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Chapter 12
Glossary of terms
A (Aperture Priority) Mode
You set the aperture yourself and
the camera automatically varies
the shutter speed so that the
picture is taken with the best
exposure.
AE (Automatic Exposure)
The camera’s built-in exposure
meter automatically sets 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 shutter speed;
and S mode, in which the user
selects the shutter speed and the
camera sets the aperture. In M
mode, the user selects both the
aperture and the shutter speed.
Aperture
This adjusts the amount of light
that passes through the lens.
Lower values allow more light to
pass, while higher values reduce
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 in the Monitor that
lets it be seen more easily by
lighting from behind.
CCD (Charge-coupled Device)
This converts light passing through
the lens into electrical signals. On
this camera, light is picked up at
3.34 million points and converted
into RGB signals to build a single
image.
Contrast Detection Method
This is used to measure the
distance to the subject. The
camera determines if the image is
focused on by the level of contrast
in the subject.
Conventional Photograph
This refers to recording images
using silver halide (the method for
recording images 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 for image files by the
Japan Electronics and Information
Technology Industries Association
(JEITA).
Digital ESP (Electro-Selective
Pattern) light metering
This determines the exposure by
metering and calculating the light
levels in the center and other
areas of the image separately.