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Hoya HOYA CORPORATION manufactures and markets the highest quality monolithic color filter glass. Our offerings encompass a wide range spectral characteristics spanning from the ultraviolet to the infrared region. Each filter transmission spectrum is determined by the highest purity chemical composition with precise control of the glass melting process. This results in the highest degree of product consistency and reliability. The HOYA filter glass line has earned a reputation of excellence across many industries. Schneider Optics The B+W Filter Company has been manufacturing optical filters for over 50 years. Our filters use Schott optical glass from which the filters are diamond cut, precision ground and then polished to ensure flatness on both surfaces and uniform thickness throughout. These, among other innovative measures, allow us to offer filters that meet the needs of even the most discriminating users. Tiffen URPRO URPRO can provide underwater color correction filters for ALL digital, video, still, and movie camera lenses, and most wide angle lens adapters. Photofilter.com photofilter.com has been help profession and amateur photographers since 1996. We have a very large selection of camera filters at very competitive prices. |