Heliopan 58mm Digital UV/Infrared Filter - Schott Glass MPN: 705886 This Heliopan 77mm Digital Glass Filter has been specially designed for digital cameras. It blocks ultra-violet radiation as well as IR rays. The result is improved color separation and reproduction with digital cameras. It is a necessity with artificial light for best digital results. In addition colors are improved especially in the blue and red channels. Since artificial light contains especially high IR radiation the filter ensures better control of the blue channel. This dichroic coated specialty filter should not be used with extreme wide angle lenses. Heliopan glass filters are made exclusively with glass from Schott (Zeiss) the world's finest optical glass supplier. Heliopan filters are 'dyed in the mass' and ground, polished and coated to the highest standards of the German optical industry. All Heliopan screw in type and series size filters are mounted in precision black anodized brass rings to eliminate binding or cross threading and to ensure optimal alignment. The care, quality and performance of Heliopan's filters make them simply the world's finest filters! Each Heliopan filter has an anti reflective coating, scratch proof metallic oxide coating on each surface. This special hard coating reduces reflections by approximately 50%. Heliopan filters are referred to as double coated. This means that the front and rear glass surfaces have coating applied to them. Event Cameras is a family-owned business located in the Beautiful Pacific Northwest of the U.S. We have been selling Photographic Filters since 2003. We try not to make things to complicated. We strive for same day shipping on all orders received prior to 2:00pm Pacific Time. Monday though Saturday. For International orders we use eBay’s Global Shipping program. The Global Ship program collects shipping costs as well as import fees at the time of purchase. Making for a seamless international shipment. Event Cameras has been a seller of Hoya, Kenko, and Cokin Filters since 2003. All product lines are acquired directly from the Authorized U.S. Importer for Hoya, Kenko, And Cokin products. Ensuring that you receive the Genuine product with a full manufacturer’s warranty. No Knock Offs or Imposters. Only the originals. We work closely with the Authorized U.S. operation to acquire products that are available domestically as well as internationally. Have a question? Send us an email and we will get back to you as soon as possible during normal hours of operation. (Monday through Saturday: 8:00am – 5:00pm Pacific Time.)