> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/sentera-calibrated-reflectance-panel/sentera-calibrated-reflectance-panel/what-is-a-calibrated-reflectance-panel.md).

# What is a Calibrated Reflectance Panel?

A reflectance panel has known spectral properties and can be used to convert imagery to reflectance values. The process of converting imagery into reflectance values allows for time series comparisons of imagery because it normalizes the data for different lighting conditions.

<figure><img src="/files/BgWw4GWZAMcJTUlPHP71" alt="" width="375"><figcaption></figcaption></figure>