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Message: <blockquote data-quote="mike worswick" data-source="post: 56937" data-attributes="member: 9631">In the digital world think of your 16mp camera taking 16 million pictures each time you snap the shutter. Image quality to each of those image receptors needs sharp and clear information. An inexpensive filter like the standard ProMaster filters are designed for simple protection. They are suitable for middle school student cameras where the filter is likely to be abused by a student while protecting the lens. But with your gear you should have the very best quality. B+W is excellent. So is the ProMaster HGX. The HGX have 16 layers of coatings. The filter blanks are ground just like the elements in your Nikon lens. You are protecting the lens and using the filter to improve the image. Besides the photo coatings the HGX filters have coatings that reduce dust adhesion. They have a coating that keeps mist and moisture from fogging or even sticking to the filter. One of the coatings even makes the filter easier to clean than other brands of filters. All of this is critical. You should be checking and cleaning your lens often. One clump of dust can diffuse your digital image. A filter that speeds up that process is invaluable. It also keeps you from continually cleaning the actual camera lens itself. If you eventually damage the HGX filter (unlikely based on my experience) it it still far less expensive than replacing a Nikon lens.</blockquote>