BP808近红外窄带带通滤光片仅让808nm左右的近红外波长通过，同时截止可见光波长。在采用红外波长照明且有可见光波长干扰的应用中,常用该滤光镜阻断其它可光的影响，增强808nm左右近红外照明特征。
富爱其近红外滤光片BP808，备有不同口径库存，以配合各品牌工业镜头（详见滤光镜规格尺寸表）
BP808滤光镜波长曲线图(仅供参考）
BP808滤光镜常用口径及规格表：
| 型号 | 规格 |
| BP940-22.5 | M22.5*P0.5 |
| BP940-25.5 | M25.5*P0.5 |
| BP940-27 | M27*P0.5 |
| BP940-30.5 | M30.5*P0.5 |
| BP940-34 | M34*P0.5 |
| BP940-35.5 | M35.5*P0.5 |
| BP940-37.5 | M37.5*P0.5 |
| BP940-37 | M37*P0.75 |
| BP940-40.5 | M40.5*P0.5 |
| BP940-43 | M43*P0.75 |
| BP940-46 | M46*P0.75 |
| BP940-49 | M49*P0.75 |
| BP940-52 | M52*P0.75 |
| BP940-55 | M55*P0.75 |
| BP940-58 | M58*P0.75 |
| BP940-62 | M62*P0.75 |
| BP940-67 | M67*P0.75 |
| BP940-68 | M68*P0.75 |
| BP940-72 | M72*P0.75 |
| BP940-77 | M77*P0.75 |
| BP940-82 | M82*P0.75 |
| BP940-86 | M86*P0.75 |
| BP940-95 | M95*P0.75 |
| BP940-105 | M105*P0.75 |
