Midwest Optical Systems BN535-77 Schneider Optics 5 Narrow Blue Bandpass M37

5 Narrow Blue Bandpass M37

The lenses have a front thread to accept filters

Midwest Optical Systems BP590-49 Orange Bandpass M49 Bandpass Filter

Midwest Optical Systems BP590-77 Orange Bandpass M77 Bandpass Filter

Midwest Optical Systems BN535-77 Schneider Optics 5 Narrow Blue Bandpass M37Midwest Optical Systems BN535 77 Narrow Green Bandpass M77 Narrow Bandpass Filters BN Series Narrow Bandwidth 45 55nm FWHM* Guaranteed peak transmission ? 85% Superior out of band blocking Designed for use with laser diodes and LEDs in applications with overwhelming ambient light StablEDGE design reduces angular dependency and minimizes short shifting effects Double side polished glass for exceptional parallelism and transmitted optical wavefront