FLI Research Grade UBVRI Filter Set - 50mm Round Unmounted
FLI UBVRI Research Grade Filter Set - 50mm Round
FLI UBVRI Research Grade Filter Set - 50mm Round 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.