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Additional information, GLOSSARY

Additional information, GLOSSARY

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Additional information
GLOSSARY
AF (Auto Focus)
A system that automatically focuses the camcorder lens on the subject. Your camcorder uses 
the contrast to focus automatically. 
Aperture
The aperture controls the amount of light that reaches the camcorder’s sensor.
Camcorder shake (Blur)
If the camcorder is moved while the shutter is open, the entire image may appear blurred. This 
occurs more often when the shutter speed is slow. Prevent camcorder shake by raising the 
sensitivity, using a faster shutter speed. Alternately, use a tripod, the DIS or OIS function to 
stabilize the camcorder.
Composition
Composition in photography means arranging objects in a photo. Usually, abiding by the rule of 
thirds leads to a good composition.
Complementary Metal-Oxide-Semiconductor (CMOS)
CMOS is an image sensor producing images approaching the quality of CCD (charge coupled 
device) sensors. It consumes less power, meaning a longer battery life on your camcorder.
Digital zoom
A feature that artificially increases the amount of zoom available with zoom lens (Optical zoom). 
When using the Digital zoom, the image quality will deteriorate as the magnification increases.
Effective Pixel Count
Unlike the total pixel count, this is the actual number of pixels used to capture an image.
EV (Exposure Value)
All the combinations of the camcorder’s shutter speed and lens aperture that result in the same 
exposure.
Exposure
The amount of light allowed to reach the camcorder’s sensor. Exposure is controlled by a 
combination of the shutter speed, the aperture value, and ISO sensitivity.
Focal length
The distance from the middle of the lens to its focal point (in millimeters). Longer focal lengths 
result in narrower angles of view and the subject is magnified. Shorter focal lengths result in 
wider angles of view.
F. No (F-Number)
The f-number defines the brightness of lens. Smaller number lens has generally brighter image. 
The f-number is directly proportional to the focal length and inversely proportional to the lens 
diameter. 
*F.No=focal length/diameter of lens aperture
MPEG-4 AVC/H.264
MPEG-4 AVC/H.264 defines the latest video coding format standardized by the ISO-IEC and 
the ITU-T, in 2003. Compared with the conventional MPEG-2 format, MPEG-4 AVC/H.264 has 
more than twice the efficiency. Your camcorder employs MPEG-4 AVC/H.264 to encode high 
definition videos. 
Optical zoom
This is a general zoom which can enlarge images with a lens and does not deteriorate quality of 
images.
Quality
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.
Resolution
The number of pixels present in a digital image. High resolution images contain more pixels and 
typically show more detail than low resolution images.
Shutter speed
Shutter speed refers to the amount of time it takes to open and close the shutter, and it is 
an important factor in the brightness of a photo, as it controls the amount of light which pass 
through the aperture before it reaches the image sensor. A fast shutter speed allows less time 
to let light in and the photo becomes darker and more easily freezes subjects in motion.
Tele Macro
This feature allows you to capture close-up images of very small objects. When using the Tele 
Macro feature, the camcorder can maintain a sharp focus on small objects at a near life-size 
ratio (1:1).
White balance (color balance)
An adjustment of the intensities of colors (typically the primary colors red, green, and blue), in 
an image. The goal of adjusting the white balance, or color balance, is to correctly render the 
colors in an image.