Colored Glass Filter Applications

Photographing Apparatus

Meter and Instrument

Optical Device

Medical Treatment Apparatus

Teaching Apparatus

UV Analyzer

Financial Equipment

Airport Lamps

Military Equipment

Technological Research Institute

Public Security Department

Cut-Off Type Colored Filter Glass	Selective Absorption Colored Optical Filter Glass		Neutral Filter Glass
Ultraviolet Glasses	Ultraviolet Glasses	Infrared Glasses	Neutral Grey Colored Ultraviolet Glasses
Golden(Yellow)Glasses	Violet Glasses	Protective Glasses
Orange Glasses	Blue Glasses	Heat-absorbing Glasses
Red Glasses	Green Glasses	Multiband Calibration Glass
Infrared Glasses	Golden(Yellow) Glasses	Sky-light Glasses
	Orange Glasses	Rising Color Temperature Glasses
	Red Glasses	Falling Color Temperature Glasses

Fabricating Specifications

Attribute	Specification
Material	colored glass filter
Dimension Tolerance (mm)	+0.0/-0.2 (General), +0.0/-0.05 (High Precision)
Thickness Tolerance (mm)	±0.2 (General), ±0.05 (High Precision)
Clear Aperture	>80% (Small Size), >95% (Large Size)
Parallelism	1 min. (General), 3 sec. (High Precision)
Surface Quality	60/40 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm)	λ (General), λ/10 (High Precision)
Bevel (face width x 45^。)	<0.25mm
Coating	Uncoated, Dielectric AR Coating, Dichroic Filter Coating, etc.

Interference Filter

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