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| Polarizing Filter Information |
Filter Help and Information
Circular Or Linear Polarizing Filter?
Q. Do I need a Linear or Circular Polarizer?
As a general rule if you have an auto focus camera the manufacturer will recommend that you use a Circular Polarizer. Most modern SLR cameras use a polarizing half mirror system, this is called a split beam metering system. A circular type Polarizer is required for the meter to function correctly.
Q. My Polarizer has a rotating ring. Is this a circular Polarizer?
Not necessarily, this is a rotating mount polarizing filter. You rotate the Polarizer to achieve the desired amount of polarization.
Q. How do I tell if I have a circular or linear Polarizer?
The most reliable way is to look at the filter ring. It should be marked to indicate that
it is a circular type. Look for any of the following markings on the ring: CIR., CIRCULAR.
CPL., C-PL
The Following is information from the THK web site
Light rays which are reflected by any surface become
polarized and polarising filters are used to select which light rays enter your
camera lens. PL (Linear Polarizing) and PL-CIR (Circular Polarizing) filters have the same effect, but it is important that you choose the correct version for your camera. They allow you to remove unwanted reflections from non-metallic surfaces such as water, glass etc. They also enable colors to become more saturated and appear clearer, with better contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds.
HOYA's polarizing filters do not affect the overall color balance of a shot.
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Featured Products
Click Image For Larger View
New from Hoya. The New Pro 1
Digital Filter series.
After comparing the new Digital Pro 1 series rings with the current Pro 1 filters rings
the new almite coating on the rings is superb. The new rings also have a much easier to
use knurling on the ring, the new ring makes the filter much easier to mount and adjust.
The finish is an anti reflective black matte. The new digital multi-coating is very
impressive. I took a clear protector and placed it on a laser printed page. The area which
is covered by the filter was easier to read than the non covered area. The letters appear
to have more contrast, due to the decreased reflection and glare off the paper surface.
Hoya did a great job on these filters; they far exceeded what I expected when the new line
was announced.
Comparison Photo's of the Hoya Digital Pro 1 and the Hoya Super Pro 1
Filters
Warning these are Large files.
Larger Click Image
Two of the best filters made
58mm B+W MRC Multi Coated UV Filter and a Heliopan Slim Circular Polarizer.
Including a Kaiser Slip on lens cap to protect your precision manufactured Polarizer when
not in use, along with a Rodenstock Micro Fiber cloth to keep the finest Schott optical
glass in pristine condition. $123.00 Order
Special.
Moose Warm Circular Polarizer. B+W MRC Multi
Coated UV and a Rodenstock Micro Fiber Cloth
77mm Set $178.00 Order
67mm Set $117.00
Order
58mm Set $67.00 Order
Filter Packages
We have put together some packages of
the most popular filters for the New DSLR Cameras. These packages are of the most
useful filters that offer the best value for the money without sacrificing image quality
04/06/2007
Filter
Digital Camera