The EF 40mm f/2.8 STM pancake lens is a great and cheap lens from Canon.
Adorama.com currently has a great deal on this lens.
Canon EF 40mm f/2.8 STM lens – $129.00 – at Adorama.com – Price shows when checkout. – Deal Expired
This is lowest price ever for this lens. Regular price for this lens is $139.00 at Amazon.com and B&H Photo Video