SPECIFICATIONS
| Model | FTBP660M52 |
| Filter Type | Bandpass |
| Color | DARK RED |
| Wavelength Range | 640 nm – 695 nm |
| Cut-in 50% Transmission | ———- |
| Cut-Off 50% Transmission | ———- |
| Spectral FWHM | 55 nm |
MECHANICAL
| Filter Thread | M52 x 0.75 |
| Outer Diameter | 55.0 mm |
| Clear Aperture | 47.0 mm |
