MidOpt BP660-27 Broad Bandwidth Dark Red Bandpass Filter
BP660 Dark Red Bandpass Filters are recommended for use with 650-680nm LED and laser diode lighting. Because of the ample passband and excellent in-band transmission work well with all camera-related applications in this range.
MidOpt BP660-27 Technical Specifications:
| Product Line / Series | BP – Broad Bandwidth |
| Filter Model | BP660 |
| Filter Type | Broad Bandwidth Dark Red Bandpass |
| StablEDGE | Yes |
| Useful Range | 640nm – 680nm |
| Tolerance | +/- 10nm |
| Peak Transmission | ≥90% |
| Surface Quality | 40/20 |
| Filter Size | 27mm |
| Filter Thread | M27x0.5 |
| Outer Diameter | 32.5mm |
| Clear Aperture | 22.5mm |
| Overall Thickness | 7mm |
| Exposed Thickness | 5.2mm |
| FWHM | 60nm |
| Compatible LED | 660nm |
| Average Transmission | Not Specified |
| Brand | Midwest Optical Systems |





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