Sigma 77mm Multi-Coated UV Filter
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UV filter cuts haze for sharper black and white prints and corrects the blues and violets in color prints. The multi-coated reduce reflection and is designed to be used with multi-coated lenses to protect and reduce excess UV. Multi coated UV filter designed for outdoor photo, portrait photo and snap shot photo. UV filter has a filter factor of zero and requires no change in exposure.
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Technical Details
- Sigma UV Filter blocks the invisible UV component of light from the sky- UV Filters are ideal for photography in high altitudes (in the mountains), by the sea and in regions with very clean air
- Pictures gain brilliance
- Protection for the front element of your lens
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By JFX Jerskey (Minneapolis, MN)
I bought this filter for my Sigma 10-20mm f/4-5.6 EX/DC/HSM lens (used with the D200). It replaces a plain UV filter that I had purchased strictly for the sake of protecting the lens. What I didn't know at the time I bought the filter is that the plain UV filter happens to pick up reflection from lights at night. In my case, I had been getting reflections from street lights and cars in my city shots. Lots of Photoshop work to undo those relfections. Bottom line: I've come to know that the protective filter is more than a convenient alternative to the lens cap itself. So, I began looking for coated filters - even for everyday use to protect the lens. The Sigma filter has resolved my issues with relfection. And why Sigma as opposed to a cheaper product? I'm a loyal guy. I've had an incredibly positive experience with the Sigma lens I bought. Very impressive product. And the filter has totally met my expectations. The glass is just beautiful. Asthetically, the black matt finish and gold lettering on the outer ring really round it out for me.
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