Shanghai Longway Special Glass Co., Ltd.
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Optical Bandpass Filter Color Glass Filter Uv Filter Ir Filter
Optical Filters Overview
These optical filters, including bandpass, color, UV, and IR filters, play a crucial role in various applications, offering numerous benefits such as improved performance, safety, and precision.
| Material | Optical Glass, Fused Silica, quartz |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 |
| Flatness | <λ/4@632.8 nm |
| Parallelism | <5 Arc seconds |
| Chamfer | 0.1-0.5 mm x 45 degree |
| Coating | available |
| Usage | optical system, photography sysem, Lighting system |
