| NDUV520A Dia. 0.5 in SM05-Threaded Mount; UVFS Reflective ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV01A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV02A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV06A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV20A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV40A Dia. 25 mm SM1-Threaded Mount; UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R01A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.1 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R02A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.2 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R06A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 0.6 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R13A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 1.3 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R30A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDUV2R40A Dia. 50 mm SM2-Threaded Mount; UVFS Reflective ND Filter; OD 4.0 | Optics | Filter | Neutral Density Filter | Thorlabs | UVFS | Circular | | |
| NDIR03B Dia. 25 mm Unmounted IR Reflective Neutral Density Filter; OD 0.3 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR10B Dia. 25 mm Unmounted IR Reflective Neutral Density Filter; OD 1.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR20B Dia. 25 mm Unmounted IR Reflective Neutral Density Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR30B Dia. 25 mm Unmounted IR Reflective Neutral Density Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR20A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 2.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| NDIR30A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 3.0 | Optics | Filter | Neutral Density Filter | Thorlabs | ZnSe | Circular | | |
| 27001 C 25 mm Dia. H-alpha 3nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 651.5 nm | 648.5 nm |
| 27003 C 25 mm Dia. H-alpha 8nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 654 nm | 646 nm |
| 27009 C 25 mm Dia. SII 3nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 671.5 nm | 668.5 nm |
| 27010 C 25 mm Dia. SII 5nm Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 672.5 nm | 667.5 nm |
| 27012 C 25 mm Dia. Jovian Methane Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27040 C 25 mm Dia. Lum Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27041 C 25 mm Dia. Red Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27042 C 25 mm Dia. Green Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27043 C 25 mm Dia. Blue Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27044 C 25 mm Dia. Clear Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27051 C 25 mm Dia. V-Bessell Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| 27054 C 25 mm Dia. I-Bessell Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | | |
| At375-28X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 389 nm | 361 nm |
| At405-30X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 420 nm | 390 nm |
| At420-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 440 nm | 400 nm |
| At480-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 495 nm | 465 nm |
| At480-30X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 495 nm | 465 nm |
| At525-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 540 nm | 510 nm |
| At535-40M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 555 nm | 515 nm |
| At540-25X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 552.5 nm | 527.5 nm |
| At540-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 555 nm | 525 nm |
| At605-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 620 nm | 590 nm |
| At605-55M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 632.5 nm | 577.5 nm |
| At625-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 640 nm | 610 nm |
| At635-60M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 665 nm | 605 nm |
| At705-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 720 nm | 690 nm |
| At800-40M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 820 nm | 780 nm |
| Et220-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 225 nm | 215 nm |
| Et300-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 305 nm | 295 nm |
| Et313-25Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 325.5 nm | 300.5 nm |
| Et337-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 342 nm | 332 nm |
| Et365-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 370 nm | 360 nm |
| Et365-10X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 370 nm | 360 nm |
| Et375-10Bp C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 380 nm | 370 nm |
| Et380X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 385.5 nm | 374.5 nm |
| Et405-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 415 nm | 395 nm |
| Et405-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 420 nm | 390 nm |
| Et405-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 425 nm | 385 nm |
| Et430-24X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 442 nm | 418 nm |
| Et431-28M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 445 nm | 417 nm |
| Et440-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 460 nm | 420 nm |
| Et450-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 475 nm | 425 nm |
| Et460-36M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 478 nm | 442 nm |
| Et460-40M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 480 nm | 440 nm |
| Et460-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 485 nm | 435 nm |
| Et470-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 490 nm | 450 nm |
| Et480-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 490 nm | 470 nm |
| Et480-30M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 495 nm | 465 nm |
| Et480-40M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 500 nm | 460 nm |
| Et482-28X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 496 nm | 468 nm |
| Et485-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 495 nm | 475 nm |
| Et485-25M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 497.5 nm | 472.5 nm |
| Et485-25X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 497.5 nm | 472.5 nm |
| Et490-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 500 nm | 480 nm |
| Et505-20X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 515 nm | 495 nm |
| Et510-20M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 520 nm | 500 nm |
| Et510-80M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 550 nm | 470 nm |
| Et525-36M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 543 nm | 507 nm |
| Et539-21X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 549.5 nm | 528.5 nm |
| Et540-24M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 552 nm | 528 nm |
| Et546-10X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 551 nm | 541 nm |
| Et546-22X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 557 nm | 535 nm |
| Et548-10X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 553 nm | 543 nm |
| Et550-50M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 575 nm | 525 nm |
| Et550-60M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 580 nm | 520 nm |
| Et555-20X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 565 nm | 545 nm |
| Et560-40X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 580 nm | 540 nm |
| Et569-25X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 581.5 nm | 556.5 nm |
| Et570-20X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 580 nm | 560 nm |
| Et572-35X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 589.5 nm | 554.5 nm |
| Et576-31M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 591.5 nm | 560.5 nm |
| Et580-25X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 592.5 nm | 567.5 nm |
| Et585-20M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 595 nm | 575 nm |
| Et590-33M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 606.5 nm | 573.5 nm |
| Et590-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 615 nm | 565 nm |
| Et595-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 620 nm | 570 nm |
| Et599-13X C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 605.5 nm | 592.5 nm |
| Et605-52M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 631 nm | 579 nm |
| Et615-40M C 25 mm Dia. Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 635 nm | 595 nm |
| Et620-60X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 650 nm | 590 nm |
| Et632-60M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 662 nm | 602 nm |
| Et640-30X C 25 mm Dia. Sputter Hard Coated; Bandpass Filter | Optics | Filter | Bandpass Filter | Chroma | UVFS | Circular | 655 nm | 625 nm |