Contact us today for a free quote on optical filters. Rainbow Research Optics offers high quality optical filters. Our customer service and fast delivery will ensure that you receive your product when your project needs it. Our fast turnaround time can accommodate even immediate prototyping needs. Online you will find many graphs and links for finding the right optical work needed for your job. For more information about Optical Filters and your free quote visit www.rainbowoptics.com today!