Esco Optics offers colored glass filters from Schott, Hoya and Isuzu. Applications for the filters include bandpass, long and short bandpass, multiband, or neutral density filters covering the UV, visible, and near-infrared wavelength regions. Color compensation, light balancing and heat absorbing filters are also available.
Esco Optics provides our polished catalog filters in 12.7 and 25.40mm diameter as well as square 50.80mm filters. Neutral density filters are also offered. Esco also fabricates custom sized glass filters in any configuration. Specific manufacturer data can be found below.