FLI Research Grade Ultraviolet Filter - 28mm Round
FLI Color CCD Filters - 28mm
FLI Color CCD Filters Features
- AR: Durable AR coatings on both exterior surfaces over applicable transmission range
- Scratch Dig: 60/40 or better (max scratch width 0.006mm, max dig 0.40mm)
- Transmitted wavefront @ 633nm: Better than 0.25 wave/inch
- Wedge: Better than 30 arcsec
- Thickness: 5 +/- 0.05mm, parfocal +/- 0.2mm, (filters start parfocal +/- 0.1mm per recipe)
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