| NENIR40B Dia. 25 mm Unmounted NIR Absorptive ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR50B Dia. 25 mm Unmounted NIR Absorptive ND Filter; OD 5.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR201B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NENIR206B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NENIR210B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NENIR220B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NENIR230B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NENIR260B 2 in x 2 in Unmounted NIR Absorptive ND Filter; OD 6.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NE504B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 0.4 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE510B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 1.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE520B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 2.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE530B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 3.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE540B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 4.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE550B-A Dia. 0.5 in AR-Coated Neutral Density Filter; 350-700nm; OD 5.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE01B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 0.1 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE02B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 0.2 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE03B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 0.3 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE05B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 0.5 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE06B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 0.6 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE13B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 1.3 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE40B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 4.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE60B-A Dia. 25 mm AR-Coated Neutral Density Filter; 350-700nm; OD 6.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE03A-A Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 350-700nm; OD 0.3 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE04A-A Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 350-700nm; OD 0.4 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE05A-A Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 350-700nm; OD 0.5 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE20A-A Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 350-700nm; OD 2.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE30A-A Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 350-700nm; OD 3.0 AR 350-700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE501B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 0.1 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE503B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 0.3 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE504B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 0.4 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE506B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 0.6 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE520B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 2.0 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE530B-B Dia. 0.5 in AR-Coated Neutral Density Filter; 650-1050nm; OD 3.0 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE01B-B Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; 650-1050nm; OD 0.1 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE04B-B Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; 650-1050nm; OD 0.4 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE10B-B Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; 650-1050nm; OD 1.0 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NE13B-B Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; 650-1050nm; OD 1.3 AR 650-1050nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR05A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 0.5 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR10B-C Dia. 25 mm Unmounted AR-Coated Absorptive Neutral Density Filter; 1050 - 1700nm; OD 1.0 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR20B-C Dia. 25 mm Unmounted AR-Coated Absorptive Neutral Density Filter; 1050 - 1700nm; OD 2.0 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR20A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 2.0 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR40B-C Dia. 25 mm Unmounted AR-Coated Absorptive Neutral Density Filter; 1050 - 1700nm; OD 4.0 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NENIR40A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 4.0 AR 1050-1700nm | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| ND503B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND504B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND506B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND513B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND520B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND540B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND03B Dia. 25 mm Unmounted Reflective ND Filter; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND04B Dia. 25 mm Unmounted Reflective ND Filter; Optical Density 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND06B Dia. 25 mm Unmounted Reflective ND Filter; Optical Density 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND30B Dia. 25 mm Unmounted Reflective ND Filter; Optical Density 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND40B Dia. 25 mm Unmounted Reflective ND Filter; Optical Density 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R10B Dia. 50 mm Unmounted Reflective ND Filter; Optical Density 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND201B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND202B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND203B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND206B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND210B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND213B 50 mm x 50 mm; Unmounted Reflective ND Filter; Optical Density 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Rectangular | | |
| ND501A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND502A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND503A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND504A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND506A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND520A Dia. 0.5 in ND Reflective Filter; SM05-Threaded Mount; Optical Density 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R03A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R04A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R05A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R10A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R13A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| ND2R30A Dia. 50 mm Reflective ND Filter; SM2-Threaded Mount; Optical Density 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDW01B Dia. 25 mm Reflective ND Filter; Optical Density 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDW02B Dia. 25 mm Reflective ND Filter; Optical Density 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDW03B Dia. 25 mm Reflective ND Filter; Optical Density 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDW20B Dia. 25 mm Reflective ND Filter; Optical Density 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDW40B Dia. 25 mm Reflective ND Filter; Optical Density 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | N-BK7 | Circular | | |
| NDUV502B Dia. 0.5 in Unmounted UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV505B Dia. 0.5 in Unmounted UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV520B Dia. 0.5 in Unmounted UVFS Reflective ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV530B Dia. 0.5 in Unmounted UVFS Reflective ND Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV540B Dia. 0.5 in Unmounted UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV01B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV02B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV03B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV04B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV05B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV10B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV13B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV20B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV40B Dia. 25 mm Unmounted UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R02B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R04B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R05B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 0.5 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R06B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R13B Dia. 50 mm Unmounted UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV201B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV202B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |
| NDUV204B 50 mm x 50 mm UVFS Reflective ND Filter; OD 0.4 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Rectangular | | |