Highly polished black glass is useful as a standard for gloss, low reflectance in directional/directional geometry, and also establishing the efficiency of the ‘sphere zero’ in specular excluded geometry using an integrating sphere.
Options/Specifications
Calibration | Calibrated 360-830 nm 8°/hemispherical Geometry, or uncalibrated |
Dimensions | 2″/52 mm square; custom sizes available |