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Q & A

Why is my longpass leaking blue/green—spec or setup issue?

Lyra | 2025-09-10
Most 'blue/green leak' from a lo⋯
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What's the best longpass for low-light NIR imaging?

Lyra | 2025-09-10
The best longpass filter for low-light n⋯
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Longpass vs. Shortpass vs. Notch Filters: How to Choose for Stray-Light Control

Lyra | 2025-09-10
Stray light—unwanted illumination ⋯
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Can I stack longpass and shortpass to make a custom band?

Lyra | 2025-09-10
If you've ever needed a bandpass fil⋯
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Will AOI change the cut-on/cut-off of my edge filter?

Lyra | 2025-09-08
Will AOI change the cut-on/cut-off of my⋯
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Which is right for my application: broadband notch or narrow notch filter?

Lyra | 2025-09-08
Choosing the right notch filter is key t⋯
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