Calumet Photographic is the world's leading supplier of high-quality imaging products. The company provides professional photographers with the tools and the knowledge they need to create exceptional images. Calumet Multi-Coated filters minimize flare and ghost imaging in situations where unwanted light falls on filter surfaces. The result is an average light transmission of over 97 percent, producing sharp contrast and well-balanced color. MC filters are available in most popular types and are highly recommended for obtaining the performance inherent in multi-coated camera lenses.