Colored Glass Filter
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
Colored Glass Filter Type Table
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. |