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.
FLI Sulfur II (SII) CCD Filter - 50mm Square
FLI Sulfur II (SII) CCD Filter - 50mm Square Specifications
- 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: n/a
- Surface Flatness: 1/4 wave per inch
Image portrays various filters in the FLI Research Grade line.
- Additional Information
SKU FL-RG-50S-SII Manufacturer FLI Type of Filter Sulfur II Filter Usage Imaging Single or Set? Single Filter Filter Size 50mm Filter Shape Square Filter Mounted? Unmounted Warranty 1 Year Warranty
- Included Items
- FLI 50mm Square Sulfur II (SII) CCD Filter
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