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P
PAL
- The 50 field video format used primarily in Europe
and other places outside of the U.S. and Japan. See
also "NTSC" and "Video Out"
Palette
- A thumbnail of all available colours to a computer
or devices. The palette allows the user to chose which
colours are available for the computer to display.
The more colours the larger the data and the more
processing time required to display your images. If
the system uses 24-bit colour, then over 16.7 million
colours are included in the palette.
Panorama
- Capturing a series of images to create a picture
wider than what you could capture in a single image.
Requires special "stitching" software to
combine and blend the images into one finished image.
Parallax
- An effect seen in closeup photography where the
viewfinder does not see the same as the lens due to
the offset of the viewfinder and the lens. This is
a non-issue if using the LCD as a viewfinder or if
your camera is a SLR type.
PC
- In camera terms it denotes a type of flash synch
connector, popular on most film cameras.
PC
- In computer terms it means a Personal Computer as
in IBM-PC
PC
Card - Refers to a credit card-sized device
which can be a flash memory card, a network card,
a modem or even a hard drive. Comes in two flavors:
Type I/II which is a single slot height and Type III
which requires a double-height card slot.
PCMCIA
- The card slots found on laptop computers to use
PC Cards. There are PCMCIA adapters for CompactFlash,
SmartMedia, Secure Digital, MultiMediaCard and Memory
Stick flash cards.
Photo
CD - Kodak's professional service where they
process your film and then scan the images using a
very expensive drum scanner and output these images
to a CD. You get several different sized resolution
images of each of your film pictures, from small to
very large. PhotoCD is multi-session which means more
than one roll of pictures may be put on each PhotoCD
disc.
PICT
- A graphics file format used primarily on Macintosh
computers. PICT files can contain both object-oriented
and bit-mapped graphics. There are two types: PICT
I and PICT II. PICT II is the current standard and
supports colour up to 24-bit.
PictBridge
- PictBridge is a new standard for direct printing
from digital cameras to inkjet photo printers without
the use of a computer. To get more information please
go to the CIPA PictBridge web page.
PictureCD
- Kodak's amateur service of putting your camera images
(1,534-by-1,024) onto a CD disc. 35mm or APS camera
pictures can be put on the PictureCD discs for about
£8.95 - £10.95 on top of regular processing
fees. One roll per PictureCD.
PIM
- PRINT Image Matching - Epson's new standard of embedded
colour and printing information for digital cameras.
Many of the camera manufacturers have joined with
Epson and now embed the PIM information in the Exif
header of the JPEG images created. Epson just announced
at PMA 2002 the new Exif 2.2 standard incorporating
their PIM info.
Pixel
- The individual imaging element of a CCD or the individual
output point of a display device. This is what is
meant by the figures 640x480, 800x600, 1024x768, 1280x960
and etc when dealing with the resolution of a particular
digicam. Higher numbers are always better!!
Pixelization
- The stair-stepped appearance of a curved or angled
line in digital imaging. The smaller the pixels, and
the greater their number, the less apparent the "pixelization"
of the image. Also known as the "jaggies".
Plug-n-Play
- An automated installation process used in MS Windows
to connect peripherals to a computer. When new devices
are plugged into the computer the computer recognizes
the device and prompts the user to choose setup options
and finish installation.
Polarizer
- A photographic filter for eliminating glare and
reflections. Just like your polarized sunglasses get
rid of annoying glare, the polarizer filter does the
same for your digicam. However - there are 2 types,
linear and circular. Linear is for film only, it screws
up most auto focus systems on digicams. Therefore
be sure you use a circular polarizer filter. It can
also be used to darken skies.
PNG
- An image file format. PNG stands for Portable
Network Graphics. It is a compressed file format similar
to JPG.
Point
and Shoot - A term used for a simple, easy
to use camera with a minimum of user controls. Generally
the user turns the camera on, aims it at the subject
and presses the shutter button. The camera does everything
automatically.
Polarizing
Filter - A filter than helps eliminate light
reflections by limiting the angle of light that reaches
the lens. There are two types: Linear and Circular.
Linear type filters should not be used with digicams
as they hinder the auto focus system. The circular
type filters can be rotated to adjust to the light
angle needed.
PPI
- Pixels Per Inch - A measurement to describe the
size of a printed image. The higher the number the
more detailed the print will be.
Pre-Flash
- Some digicams use a low-power flash before the main
flash to set the exposure and white balance. This
does not allow the use of a normal photo slave strobe
as it will be triggered by the pre-flash.
Programmed
AE - the camera picks the best shutter speed
and aperture automatically, also called "Automatic"
or "Point-n-Shoot" mode.
Progressive
Scan - Term used to describe an image sensor
that gathers its data and processes each scan line
one after another in sequence. See also "Interlaced"
for the other method.
Prosumer
- Refers to more expensive semi-professional digicams
costing £1,000 and up. The average digicam is
made for the consumer market and costs well under
£1,000.
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