Jet.com offers the Canon EF-S 24mm f/2.8 STM Lens, model no. 9522B002, for $149. Coupon code "ELECTRICMARCH30" cuts it to $119. With free shipping, that's the lowest total price we could find by $30. (For further comparison, we saw a refurbished one for $19 less last December.) It includes six elements and a minimum focusing distance of 0.5 feet. Deal ends March 5.
Note: This coupon can be used once per account. You can also receive additional discounts during checkout by waiving free returns or by choosing select payment options.