There are a few specialty cameras with fewer filters Canon has made a few astrophotography cameras: https://en.wikipedia.org/wiki/Canon_EOS_R#Variants https:/

There are a few specialty cameras with fewer filters Canon has made a few astrophotography cameras: https://en.wikipedia.org/wiki/Canon_EOS_R#Variants https://en.wikipedia.org/wiki/Canon_EOS_R#Variants There are also modified cameras available with the filters removed: https://www.lifepixel.com/ https://www.lifepixel.com/