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Review Summary
2013-02-11T19:00:00
This filter works great. I bought it to protect a Canon 70-300mm DO lens and it does the job perfectly. No flares or haze. It was a lot cheaper than my Hoya, and I can't tell any difference between the photos produced. I highly recommend this filter.
Ashley
2012-04-01T21:00:00
Nothing to complain about!
Steph
2011-12-11T19:00:00
Useful as lens protection, as well as reducing some haze.
STEPHEN H.
2011-07-09T21:00:00
Inexpensive multicoated filter for protecting your lens. Multicoating helps reduce lens flare you can get when you add a filter. Some photographers discourage using a protective filter because they think it can degrade image quality. I've never been able to see a difference, but I'm also not using "L" glass. The flare issue is the only vaild reason I would consider taking it off my lens. First I would try a lens hood, though.
psycho-pics
2010-02-02T19:00:00
I live at 8500 foot level of the Southern Rocky Mountains, so a UV is a must for all shots. Don't get caught at high elevation without UV protection. Also, with all the CFL lighting now, the UV helps stablize indoor shots as well.
RODGER N.



Great Filter!
By Ashley
This filter works great. I bought it to protect a Canon 70-300mm DO lens and it does the job perfectly. No flares or haze. It was a lot cheaper than my Hoya, and I can't tell any difference between the photos produced. I highly recommend this filter.
Perfect!
By Steph
Nothing to complain about!
Digitally Optimized (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 color 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 color and black-and-white film and digital sensors. This is the most suitable filter for protective use and general photography.