Filters can be purchased from the companies listed below. Several of these companies (Andover, Barr Associates, Custom Scientific, CVI Laser, and OCLI) are speciality houses, dealing only in filters, specializing in custom applications. As a result, they are more expensive. The best bets for inexpensive (but non-standard) filters are Edmund Scientific (contact information is listed in Large Scale Vendors below) and Lumicon. The contact information is listed below.
Andover Corp., 4 Commercial Dr, Salem NH 03079, USA (http://www.andcorp.com)
Barr Associates, Inc., 2 Lyberty Way, Westford, MA 01886, USA (http://www.barrassociates.com)
Custom Scientific, Inc., 3852 North 15th Ave, Phoenix, AZ 85015, USA. (http://www.customscientific.com)
CVI Laser Corp., 200 Dorado Pl SE, Albuquerque, NM 87123, USA. (http://www.cvilaser.com)
ISI Systems, 3463 State St PMB283, Santa Barbara CA 93105, USA. (www.imagingsystems.com)
Lumicon, 6242 Preston Ave, Livermore CA 94550 USA (http://www.lumicon.com) - forced to suspend operations
Optical Coating Laboratory, Inc. (OCLI), 2789 Northpoint Parkway, Santa Rosa CA 95407, USA. (http://www.ocli.com)
Oriel Instruments, 150 Long Beach Blvd, Stratford CT 06615 USA (http://www.oriel.com)
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