| Sigma EX DG 105mm Single-Coated Circular Polarizer Filter |  | Brand: Sigma
Category: Photography
Buy New: $155.00
as of 5/23/2012 14:28 EDT details
New (5) from $155.00
Seller: 47th Street Photo
Media: Electronics
Size: 105mm
Shipping Weight (lbs): 1
Dimensions (in): 0.3 x 3.1 x 3.1
MPN: B0001F7CM8
Model: B0001F7CM8
UPC: 085126923907
EAN: 0085126923907
ASIN: B0001F7CM8
Promotion: Data not available Terms and Conditions
Availability: Usually ships in 1-2 business days
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| Features:
| • | Used to select which light rays enter your camera lens, and which light rays are reflected | | • | Removes unwanted reflections from non-metallic surfaces such as water or glass, and saturates colors providing better contrast | | • | Eliminates ultraviolet rays to remove haze from outdoor shots without affecting the overall color balance | | • | Single-coated circular polarizer, with an 86-millimeter thread size, and a filter factor between 2.3 and 2.8 or 1.3 f-stops | | • | Constructed of high-quality optical glass |
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Product Description
Digitally Optimised (DG) Filters EX DG filters benefit from Sigma's multi-layer lens coating, developed to counteract the highly reflective characteristic of image sensors. With older style filters, light would reflect off the image sensor, bounce off the lens and filter elements and re-enter the image sensor, creating a ghost image. The multi-layer coating dramatically reduces this effect. In addition to this, an optimum, neutral colour balance is ensured, increasing the white balance accuracy of the digital camera. Circular Polarizing Filter This type of Polarizing filter has a large diameter and it also deepens the intensity of blue skies, eliminates glare. It not only reduces the reflection from non-metallic surfaces, but also increases colour saturation perfectly
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