Focus error
Encyclopedia
In photography
, a focus error is an aberration of the autofocus
(thus, the camera focuses a subject but the lens is not aligned correctly, causing a blurry image).
In digital photography
, the focus error is especially an error message
on Fujifilm
FinePix digital camera
s, usually caused by dirt in the lens mechanism. To avoid any further damage, the camera electronics totally disables the autofocus system and refuses to take any still image. If out of warranty, the repair costs can easily exceed US $100. However, other brands suffer from similar faults, like the Canon E18 error
or the Nikon Coolpix SYSTEM ERROR, and some users manage to bring their devices back to life by disassembling and cleaning the lens.
Photography
Photography is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light-sensitive material such as photographic film...
, a focus error is an aberration of the autofocus
Autofocus
An autofocus optical system uses a sensor, a control system and a motor to focus fully automatic or on a manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system has to be done manually until indication...
(thus, the camera focuses a subject but the lens is not aligned correctly, causing a blurry image).
In digital photography
Digital photography
Digital photography is a form of photography that uses an array of light sensitive sensors to capture the image focused by the lens, as opposed to an exposure on light sensitive film...
, the focus error is especially an error message
Error message
An error message is information displayed when an unexpected condition occurs, usually on a computer or other device. On modern operating systems with graphical user interfaces, error messages are often displayed using dialog boxes...
on Fujifilm
Fujifilm
is a multinational photography and imaging company headquartered in Tokyo, Japan.Fujifilm's principal activities are the development, production, sale and servicing of color photographic film, digital cameras, photofinishing equipment, color paper, photofinishing chemicals, medical imaging...
FinePix digital camera
Digital camera
A digital camera is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor. It is the main device used in the field of digital photography...
s, usually caused by dirt in the lens mechanism. To avoid any further damage, the camera electronics totally disables the autofocus system and refuses to take any still image. If out of warranty, the repair costs can easily exceed US $100. However, other brands suffer from similar faults, like the Canon E18 error
E18 error
The E18 error is an error message on Canon digital cameras. The E18 error occurs when anything prevents the zoom lens from properly extending or retracting...
or the Nikon Coolpix SYSTEM ERROR, and some users manage to bring their devices back to life by disassembling and cleaning the lens.