FLI H-Alpha 8nm CCD Filter - 50mm Square
FLI 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.
- Filter Size:50 mm +0.2 / -0.5mm
- FLI Research Grade Filters use sputtered coatings.
- Filter sets are par focal to F4.5
- Filter Thickness: 3mm +/-0.1mm
- Parallelism: 30 second or better
- Bandwidth: 8 nm
- Surface Flatness: 1/4 wave per inch
FLI Product Number: RG-50S-HA
Image portrays various filters in the FLI Research Grade line.
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