Amazon.com : 58mm .43X Wide Angle Lens for Canon Rebel T3, T3i, T5, T5i, T6, T6i, T7i, EOS 80D, EOS 77D Cameras with Canon EF-S 18-55mm f/3.5-5.6 is II, is STM Lens :
Best Canon Wide-angle Lenses | Cameralabs
Canon EF-S wide-angle zoom lens 10-22mm - 9518A002 - Camera & Video Accessories - CDW.com
Canon EF-S 24mm f/2.8 STM Wide-Angle Lens | Full Compass Systems