file size | The number of bytes in a file. The file size for images saved on a digital camera is determined by the |
| resolution of the camera's CCD and the amount of image data compression. You can usually select the |
| amount of compression on the camera and again in the computer software that processes the images. |
| Note that if you compress an image on the camera and in the software, the compression is cumulative. |
file type | The digital format in which a file is saved. Computer programs can insert or import files that were saved in |
| a file type that the program supports. Common file types for images include JPEG (Joint Photo Expert |
| Group format) and TIFF (Tagged Image File Format). See also “JPEG” on page 118 and “TIFF” on page 122. |
firmware | The |
| the camera. |
firmware update | The process of updating to a new firmware version on the digital camera. |
flash | A brief, intense burst of light from an electronic flash unit on a camera. Use flash when the lighting in a |
| scene is inadequate for taking pictures. |
flash mode | This mode is set by pressing a status LCD button on top of the camera and determines how the flash will |
| operate. |
flash mode button | A status LCD button on the top of the camera that you press to set the flash mode. |
flash mode icon(s) | An icon or set of icons in the status LCD that shows the current flash mode. |
| The |
| length of the lens by the |
| with the shutter speed to set the exposure. A standard set of |
| lenses. A lower |
| |
| and “focal length” on page 117. |
focal length | The distance between the center of the lens (more precisely, its rear nodal point) and the CCD sensor in |
| digital cameras when the lens is focused on infinity. The focal length is specified in millimeters. |
focus | Refers to adjusting the lens in a digital camera in order to place a clear image on the plane of the CCD |
| sensor. |
focus mode | See “Auto Focus mode” on page 115 and “Manual Focus mode” on page 119. |
focus range | See “auto focus range” on page 115. |
See | |
| See |
grouped images | A number of images that are bundled together. You can group images in the Edit menu of Review mode. |
| Grouped images appear in a folder on the memory card when the camera is connected to a computer. |
HP 618 Digital Camera User’s Guide | 117 | Glossary |
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