Samsung Galaxy NX500 Camera User Manual (en)

Appendix > 
NTSC (National Television System Committee)
A video color encoding standard used most commonly in Japan, North 
America, the Philippines, South America, South Korea, and Taiwan.
Optical zoom
This is a general zoom which can enlarge images with a lens and does not 
reduce the quality of images.
PAL (Phase Alternate Line)
A video color encoding standard used in numerous countries throughout 
Africa, Asia, Europe, and the Middle East.
An expression of the rate of compression used in a digital image. Higher 
quality images have a lower rate of compression, which usually results in a 
larger file size.
A video format which is compressed as a JPEG image.
MPO (Multi Picture Object)
An image file format that contains multiple images in a file. An MPO file 
provides a 3D effect on MPO-compatible displays, such as 3D TVs or 3D 
Misinterpreted pixels in a digital image that may appear as misplaced or 
random, bright pixels. Noise usually occurs when photos are shot with a 
high ISO setting or when the ISO sensitivity is automatically set in a dark 
NFC (Near Field Communication)
NFC is a set of standards for radio communication at very close proximity. 
You can use NFC-enabled devices to activate features or exchange data 
with other devices.