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FLI Research Grade 50mm Diameter Clear

Price: $165.00

RG 50D C
FLI Research Grade filter sets are par focal to F4.5
Size: 50 mm +0.2 / -0.5mm
Shape: square
Thickness: 3mm +/-0.1mm
Bandwidth: N/A
Parallelism: 30 second or better
Surface Flatness: 1/4 wave per inch

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

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