Warm Circular
Polarizer Glass Filter - Light rays which
are reflected become polarized. Polarizing filters
are used to select which light rays enter your
camera lens. They can remove unwanted reflections
from non-metallic surfaces such as water or glass
and also saturate colors providing better contrast.
The effect can be seen through the viewfinder and
changed by rotating the filter.
NOTE:
Circular polarizers are specifically designed for
use with auto-focus SLR cameras (They will also work
on manual systems without problems). Linear
polarizers are used with most video and manual focus
photo cameras. They are not recommended for
auto-focus SLR cameras