Aliexpress
Click here… to search for BlitzWolf BW-LS3 Camera Lens on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (11.69 USD): 12blitzw
Coupon (12.08 USD): aff7off
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): 12annvex-8%
(probably won’t work, but you can try them out)
Price history and price alert
Do you need price history chart (for all/most countries) for BlitzWolf BW-LS3 Camera Lens? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).