17 Feb 2010 Dimension tolerance: 0.1mm
Surface quality: 60-40 scratcg and dig
Flatness: l/4 @632.8nm per inch
Parallelism: < 1 arc minute
Protective Bevel Material: colored glass (CHINA)
Cut off Type Glass
Ultraviolet Glasses
Golden (Yellow) Glasses
Orange Glass
Red Glass
Infrared Glass
Selective Absorption Type Glass
Ultraviolet glass
Violet glass
Cyanine glass
Green glass
Golden-yellow (yellow) glass
Orange glass
Red glass
Infrared glass
Cover glass
Heat-absorbing Glass
Didymium glass
Holmium glass
Skylight glass
Rising color temperature glass
Falling color temperature glass | 
