1 UV/Clear/Haze Filter. The purpose of a UV / Clear / Haze filters today is to simply protect the front element of a lens. In the past, these filters were used to block UV from hitting the film. All digital camera sensors have a UV/IR filter in front of the sensor, so there is no more need to use UV filters on DSLRs. Mostof these arguments apply equally to clear protective filters. I assume that the UV filter being used is of similar optical quality to the lens elements themselves. This is generally true for the best multi-coated filters from good manufacturers, but may not be true for the cheaper filters. See more Addinga UV coating and blue light filtering coating to your eyeglasses will filter out much of the blue-violet light emitted from LED screens as well. Since blue-violet light is emitted from LED screens, and UV rays and blue-violet light are emitted from the sun, it may be worthwhile to opt for both coatings to ensure extra protection. UVfilters can help to protect your camera lens from damage. A UV filter can help protect your camera’s lens from scratches. They can reduce the amount of haze in your photos. Some types of UV filters don’t affect image quality. Protects lens WhileUV blocking contact lenses do offer protection, coverage is limited. Sunglasses cover a much greater area of the eye, including the sensitive skin around the eyes. But it’s not as simple as picking up a pair of cheap sunnies, you need them to guard you from harmful UV rays. Check for ‘CE’ marked UV400 lenses, or British Standards BS AUV filter is a good way to get around it - your actual front element is never touched, and given how cheap a filter is (even a very, very good one), you can clean to your heart's content. Some lenses are worth owning for decades or more - the less you poke at the actual lens elements the better. AnHVAC UV light is a light that helps to clean and purify the air in your home. These lights are installed in the air handler or ductwork of your HVAC system. As air circulates through your home it carries with it germs and allergens which eventually pass through the UV light which sanitizes the air as it recirculates through the home. Buthaving these two systems work in tandem might as well be worth it. MERV 13 filters are specialized filters meant to catch larger particles such as dust, pollen, and pet dander. A combination of MERV 13 filter and UV light along with cleaning or replacing your filter regularly is the best option. Reply. Leave a Comment Cancel reply. FreshwaterFish and Aquariums. Beginner Freshwater Aquarium. Freshwater Aquarium Equipment Cons Some are slow, prone to clogging and have short filter lives, meaning high ongoing costs. Tap mounted. Prices: $25–75 initial ($50–120/yr ongoing) Pros: Most convenient at tap filter, small, and easy to use and replace filters. Easily swap between filtered and non-filtered water. Portable if you rent. uEj7.