Canon offers the factory-refurbished Canon EF 40mm f/2.8 STM Pancake Camera Lens, model no. 6310B002, for $111.99. With free shipping, that's $32 under our February mention of it new and $37 under the the lowest total price we could find for a new one today. Sales tax is added where applicable. This 0.3-lb. lens is for use with most Canon SLR cameras. A 1-year Canon warranty applies.