· Full frame glass
· Display
· Projector
· Waveguide
· Visor
· MTF (cross, slanted edge), LSF & ESF
· Contrast ratio
· Distortion
· Color accuracy & Uniformity
· Brightness over dynamic range
· Uniformity over FoV and Eyebox
· Transmittance
· Interferometry
· Autofocus through virtual distances
· IPD / Binocular alignment
· Waveguide glass substrate
· Aspheric micro-lens / prism / filters