It's very sad indeed that PlasmaHH's experience-based answer for the UV end is lost in the comments. I'm not going to bother answering on stackexchange, but I

It's very sad indeed that PlasmaHH's experience-based answer for the UV end is lost in the comments. I'm not going to bother answering on stackexchange, but I can see two-band IR rainbows in my old Nikon CoolPix 950 with Harrison Duraline 630μ IR filter. (the cp950 has CMYG color filters and the CG filters pass one wavelength of IR and the MY pass another, so photos come out it Cyan/Red duochrome.