|
|
|
|
|
|
|
|
|
Dark current (aka “noise”)
| Lens Glossary |
Pixels collect signal charges in the absence of light over time, which can vary from pixel to pixel. the result is known as dark current, or more commonly, noise.
|
|
|
Dpi (dots per inch), английский
Printing term for resolution. also referred to as ppi (pixels per inch) when describing monitor resolution. the higher the ppi/dpi, the higher the resolution of the resulting image will be. for viewing images at magnifications of up to life size on a computer screen, you only need 72 dpi. for offset printing, the image must be set to 300 dpi at the desired print size, and for inkjet prints, anywhere from 180 to 360 dpi at the desired print size, preferably with a number divisible by 3. dpi settings above 400 can diminish the quality of inkjet output.
Pc card (pcmcia card), английский
Pc cards are about the size of a credit card and were developed to be a standard for hardware capability, expanding devices. pcmcia cards provide an easy way to transfer photos from the camera to a notebook or desktop pc. in recent years, pcmcia have become less common as newer (and smaller) technologies have taken their place.
|
|
|
|
|
|
|
