Sometimes it is so great to shoot B&W photos in-camera. The best thing in this approach is that you can see a B&W image through the viewfinder or LCD. It really helps you understand things in monochrome – helps you see the gradations, tones, shadows, and highlights. Yes, I know, it is JPEGs then but usually the results are quite rewarding actually.
I have used all my cameras in B&W mode but below are some examples shot with Fuji X100 and Ricoh GR.