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FLI Research Grade 50mm Square Luminance IR



RG 50S L
 
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

 

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, par focal +/- 0.2mm, (filters start par focal +/- 0.1mm per recipe)


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