Shortpass Filter
Short-pass filters transmit shorter wavelengths and block longer wavelengths. Also described as attenuators, they protect camera sensors/optics from intense sources by absorbing or reflecting untransmitted light and reducing part of the transmission spectrum. The source states that they mainly transmit visible and UV while also shielding UV, and sometimes specifically block IR and longer wavelengths as IR-cut filters; it distinguishes short-pass from IR-cut filters.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | H-K9 |
| Transmittance | T>90% |
| Blocking Depth | OD6 |
| Angle of Incidence | 0° or 45° |
| Surface Finish | 20-10 |
| Clear Aperture Dimension | >90% |
| Temperature Drift Range | <0.25nm/°C |
Applications
Key Features
Datasheet
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Supplier Information
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