In order to select the best filter, you’ll need to pinpoint the imaging problem you’re currently having. One tool that is designed to help you do this is a filter test kit. ⁣⁣
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By viewing the resulting image each bandpass filter provides, you can determine the best color for maximizing contrast and reducing interfering light. In addition to a bandpass filter, you also may need to reduce glare, remove saturation, balance color and more. Each of these problems can be solved using optical filters.