In photography has two kinds of filter:PDA Battery
technology filter and creative filter, creative filters can make the
monotony of the foreground subject present a interesting change.
Some filters can spin in front of the lens, some with filter clip in
fixed. In front of the cameras have threaded, just can use the batter
type filter, portable digital camera is usually no thread. Filter group
is HP iPAQ hx2000 Battery
through the filter clip fixed on camera or installed in the tripod on
the support. This filter the benefits of the group can apply to all
lens, and use the batter type filter, must adapt to lens front diameter,
or otherwise it will need to buy a adaptation of special caliber
A polarizer this filter will enter lens light distinction between:
1. Remove unwanted nonmetal reflective surface, such as the water, glass, etc.
2. The deepen of blue sky, white clouds make HP iPAQ hx2100 Battery more outstanding
3. Can be used for shooting the plant, the effect is good. Leaves not
reflected the polarization of light, especially wet leaves.
4. Can strengthen and bright and clean the surface color,HP iPAQ hx2110 Battery than the glazed pottery, reflective plastic, etc.
Line a polarizer (PL) and circular polarization mirror (CPL) to radial
action principles, just linear polarization will affect camera lens of
automatic exposure (AE) with automatic focus (AF) function. Through the
lens in the film and autofocus, use circular polarization.the mirror.
A polarizer different locations, reduce the amount of HP iPAQ hx2190 Battery light entering the lens is different also, so need exposure compensation.
Using filter exposure, suggested the surround type exposure.
For portable digital camera, installation and using HP iPAQ hx2400 Battery
gradient density in the orientation of grey lens is very strict. By LCD
panels can be to evaluate where filter installation, the position and
be taken the position of the light source and the body of related
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