Chroma Technology Blue 31mm Diameter Filter Unmounted
- Durable sputter coatings
- Parallelism <30 arcsec
- Thickness: 3.0 +/-0.05mm
- Filters designed for use with CCD and for f/4.5 or slower
- Transmitted wavefront better than 0.25 waves/inch
- SBIG, QSI and FLI sizes in stock
- Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.
- NON REFLECTIVE: No reflections leading to image distortions or 'back reflections'
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