I purchased the canon 20mm 2.8 for $80.. I would've kept it if it was good.. That lens needs an update if canon will renew that focal distance. I couldn't resist the price at the time. :
100D, EOS M, EF-M 18-55mm f3.5-5.6, EF-M 22mm f2, EF-S 18-55mm IS STM f3.5-5.6, EF 28mm f1.8 USM, EF-S 10-22mm f3.5-4.5 USM, EF-S 60mm f2.8 macro USM, EF 40mm f2.8 STM, EF 85mm f.18 USM, EF-S 55-250mm II f4-5.6 IS, EF 300mm F4 L IS USM, 430 EX II, kata 3n1 25pl, triggers, lighting, stands, remotes..