Maybe one of these similar products would be of interest:-
7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens APS-C Manual Focus Prime Lens Compatible for Canon Eos-M Mount Mirrorless Camera for Canon Eos-M1 Eos-M2 Eos-M3/M5/M6/M10/M50
7artisans 50mm F0.95 Large Aperture Manual Focus Prime Fixed Lens APS-C for Canon Eos-M Mirrorless Cameras EOS-M/EOS-M2/EOS-M3/EOS-M100/EOS-M5/EOS-M6/EOS-M50/EOS-M10/EOS-M200
Pergear 25mm F1.7 Large Aperture Manual APS-C Canon RF Mount Lens Compatible with Canon EOS R, EOS RP, R5 C, R5, R6, R3, R10, R7, R6 II, R50, R8, R100 (Black)
7artisans 7.5mm f2.8 Mark II APS-C Fisheye Wide Angle Manual Fixed Lens for Canon Eos-M Mirrorless Camera Like Canon Eos-M1 Eos-M2 Eos-M3 M5 M6 M10 M50
7artisans 60mm F2.8 Macro APS-C Wide Angle Fisheye Fixed Lens For Compact Mirrorless Cameras Canon EOS-M/EOS-M2/EOS-M3/EOS-M100/EOS-M5/EOS-M6/EOS-M50/EOS-M10/EOS-M200-Black