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FLI - Research Grade 50mm Square Ha 4.5nm

Model#: RG-50S-Ha-45

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Availability: In stock

$895.00

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Manufactured by: Finger Lakes Instrumentation

Details

FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

RG 50S LRGB Ha (4.5nm)

FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)

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

Product Series

Our high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. We offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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)

Additional Information

Name FLI - Research Grade 50mm Square Ha 4.5nm
Manufacturer Finger Lakes Instrumentation
Model RG-50S-Ha-45