Triband SCT

[Hans Tucker]

Something new from Baader Planetarium.

https://www.baader-planetarium.com/en/triband-sct-schmidt-cassegrain-based-multi-purpose-telescope-for-sun-and-deep-sky.html

[Merlin66]

This was developed and discussed on the solar chat site a couple of years ago, primarily for solar imagers.
You can get similar multi bandwidth 1.25” filters for smaller refractors.