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| Sigma AFL-940 46mm EX DG UV Multi-Coated Filter | 
 enlarge | Brand: Sigma
Category: Photography
Buy New: $44.95
New (3) from $44.95
Media: Electronics
Fragile: No
Batteries Included: No
Shipping Weight (lbs): 0.9
Dimensions (in): 3.5 x 2.8 x 0.6
MPN: AFL-940
Model: AFL-940
UPC: 085126925963
EAN: 0085126925963
ASIN: B0017X59DW
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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| Features:
| • | Multi-coated filter designed to protect lens from dust, moisture, and scratches | | • | Corrects for ultraviolet light, which often leaves bluish cast on photo | | • | Ideal for mountain and marine environments with distracting haze | | • | Can be left on lens all day long for protection; glass construction | | • | Fits lenses with 46mm threads; 1-year warranty |
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| Editorial Reviews:
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. Multi-coated UV Filter This filter perfectly eliminates the harmful effect of ultraviolet light. The multi-coated UV filter can be used with both colour and black-and-white film anddigital sensors. This is the most suitable filter for protective use and generalphotography.
Amazon.com
Protect your camera lens from dust, moisture, and scratches with the Sigma AFL-940 46mm multi-coated filter. Sigma filters add durability to your lens, while also correcting for ultraviolet light, which can register on film and videotape as a bluish cast and can obscure distant details. In addition, you can leave the filter on the lens at all times for maximum protection. The filter, which fits lenses with 46mm threads, is particularly helpful for mountain and marine environments, where increased haze threatens to make your photographs indistinct in color and clarity. Technical Specifications
- Type: Ultraviolet
- Size: 46mm
- Filter factor: Not applicable
- Multi-coated: Yes
- Rotating: Not applicable
- Effect: Reduces excessive blue, cuts through haze, improves image clarity, protects front element of lens
- Applications: Ideal for mountains and marine settings
- Color temperature: No change
- Construction: Glass
- Thread size: 46mm
- Front lens cap size: 46mm
- Warranty: 1 year
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