Multi-Layer Anti-Reflection coating to reduce star-halos and reflections from camera optical window.
Batch-tested for consistency.
Ultra-flat glass by Schott Germany. 1.85mm Glass 30sec parallel, optical polish to MIL Spec. MIL-O-13830.
High quality dichroic/dielectric coatings. Electron-beam gun evaporation with Ion-assisted deposition coating technology for durability and resistance to scratching, as well as stability on CWL (central wavelength). No deviation affected by temperature change.
UV/IR block for imaging - star bloat reduction with refractors.
Precision CNC machined filter cell for strain-free mounting and freedom from tilt.