Happily Serving You in the Same Location for Over 58 Years!

Welcome!

FLI - Research Grade 50mm Square Ha 4.5nm

Model#: RG 50S Ha 45

Be the first to review this product

Availability: In stock

$895.00

FREE SHIPPING (48 States)
OR
Manufactured by: Finger Lakes Instrumentation

Details

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