Olympus E-1 - Manual (Page 176)

176
Miscellaneous
12
Glossary of terms
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).
Depth of Field
Depth of Field refers to the distance from the nearest to the furthest point of perceived "sharp"
focus in a picture.
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.
DPOF (Digital Print Order Format)
This is for saving desired print settings on digital cameras. By entering which images to print and
the number of copies of each, the user can easily have the desired images printed by a printer or
print lab that supports the DPOF format.
Eclipsing (Vignetting)
This refers to when an object obscures part of the field of view so that the whole subject is not
photographed. Vignetting also refers to when the image seen through the viewfinder does not
exactly match the image shot through the objective lens, so the photographed image includes
objects not seen through the viewfinder. In addition, vignetting can occur when an incorrect lens
hood is used, causing shadowing to appear in the corners of the image.
EV (Exposure Value)
A system for measuring exposure. EV0 is when the aperture is at F1 and the shutter speed is 1
second. The EV then increases by 1 each time the aperture increases by one F stop or the
shutter speed increases by one increment. EV can also be used to indicate brightness and ISO
settings.
Exposure
The amount of light used to capture an image. The exposure is determined by the length of time
the shutter is open (shutter speed) and the amount of light that passes through the lens
(aperture).
Flash Bracket
A mount used to attach an external flash to the camera. Shadows on the subject can be changed
by detaching the flash. The flash is used in combination with the flash cable.
ISO
A method for indicating film speed by the International Organization for Standardization (ISO)
(e.g. “ISO100”). Higher ISO values indicate greater sensitivity to light, so images can be exposed
even in low-light conditions.