This may look like a collection of colorful contact lenses, and in some respects there are some similarities: these are the filters through which the ExoMars rover—named Rosalind Franklin—will view Mars in visible and near infrared wavelengths.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/marsvision.jpg)
Source:
https://phys.org/news/2019-05-exomars-pancam-filters.html