UV–NIR bandpass filters 800–899 nm
A bandpass filter transmits light within a defined wavelength range, known as the passband. Blocking regions on either side suppress unwanted radiation, allowing a selected spectral range to pass.

General parameters
- Blocking
- min. 10⁻⁵ of x-ray-IR
- Ø12 - Ø12,7mm
- CA > 9mm
- Ø25 - Ø25,4mm
- CA > 22mm
- Ø50mm (+0,2mm -1mm)
- CA > 46mm
- 50 x 50mm (+1mm -0,2mm)
- CA > 48 x 48mm
Stock range
Scroll the table sideways and down as needed.
| CWL [nm] | FWHM [nm] | Cav | Peak transmission [≥T%] | Type | Order No. ø12,7mm(A) CA > 9mm | Order No. ø25,4mm(B) CA > 22mm | Order No. 50x50mm(C) or ø50mm(D) |
|---|---|---|---|---|---|---|---|
| 800±3 | 12±2 | 3 | 70% | - | bk-800-12-A | bk-800-12-B | bk-800-12-C / D |
| 800±2 | 12±2 | 3 | 80% | - | bk-800-12-A1 | bk-800-12-B1 | bk-800-12-C1 / D1 |
| 800±3 | 16±2 | 4 | 80% | - | bk-800-16-A | bk-800-16-B | bk-800-16-C / D |
| 800±4 | 22±2 | 3 | 80% | - | bk-800-22-A | bk-800-22-B | bk-800-22-C / D |
| 800±20 | 110±20 | 8 | 80% | - | bk-800-110-A | bk-800-110-B | bk-800-110-C / D |
| 810±2 | 10±2 | 3 | 80% | - | bk-810-10-A | bk-810-10-B | bk-810-10-C / D |
| 810±2 | 12±2 | 3 | 70% | - | bk-810-12-A | bk-810-12-B | bk-810-12-C / D |
| 810±5 | 50±5 | 4 | 80% | - | bk-810-50-A | bk-810-50-B | bk-810-50-C / D |
| 815±5 | 50±5 | 4 | 80% | - | bk-815-50-A | bk-815-50-B | bk-815-50-C / D |
| 820±2 | 12±2 | 3 | 70% | - | bk-820-12-A | bk-820-12-B | bk-820-12-C / D |
| 820±3,5 | 25±3,5 | 4 | 70% | - | bk-820-25-A | bk-820-25-B | bk-820-25-C / D |
| 825±2 | 12±2 | 3 | 70% | - | bk-825-12-A | bk-825-12-B | bk-825-12-C / D |
| 825±3,5 | 30±3,5 | 6 | 70% | - | bk-825-30-A | bk-825-30-B | bk-825-30-C / D |
| 830±2 | 10±2 | 3 | 70% | GaAIAs | bk-830-10-A | bk-830-10-B | bk-830-10-C / D |
| 830±3 | 15±2 | 3 | 75% | - | bk-830-15-A | bk-830-15-B | bk-850-15-C / D |
| 850±2 | 10±2 | 3 | 60% | - | bk-850-10-A | bk-850-10-B | bk-850-10-C / D |
| 850±2 | 10±2 | 3 | 75% | - | bk-850-10-A1 | bk-850-10-B1 | bk-850-10-C1 / D1 |
| 850±2 | 13±2 | 3 | 70% | - | bk-850-13-A | bk-850-13-B | bk-850-13-C / D |
| 850±3,5 | 25±3,5 | 4 | 70% | - | bk-850-25-A | bk-850-25-B | bk-850-25-C / D |
| 850±4 | 40±8 | 6 | 70% | - | bk-850-40-A | bk-850-40-B | bk-850-40-C / D |
| 850±7 | 50±7 | 4 | 70% | - | bk-850-50-A | bk-850-50-B | bk-850-50-C / D |
| 850±7 | 65±7 | 8 | 70% | - | bk-850-65-A | bk-850-65-B | bk-850-65-C / D |
| 853±2 | 10±2 | 3 | 70% | - | bk-853-10-A | bk-853-10-B | bk-853-10-C / D |
| 880±2 | 10±2 | 3 | 65% | - | bk-880-10-A | bk-880-10-B | bk-880-10-C / D |
| 880±10 | 80±10 | 9 | 80% | - | bk-880-80-A | bk-880-80-B | bk-880-80-C / D |
| 880±9 | 115±5 | 10 | 75% | - | bk-880-115-A | bk-880-115-B | bk-880-115-C / D |
| 890±2 | 10±2 | 3 | 65% | - | bk-890-10-A | bk-890-10-B | bk-890-10-C / D |