In the physical stores, Best Buy is clearing out the Sony 20mm e-mount for $159. You can get this even if your store is out of stock. Ask them to order it for you in the store and the price will still be $159 instead of the online price of $350. If you can find an open box the price will be around $107. Best Buy also offers 3x rewards points on this so that's almost $10 in rewards. The SKU is 7960119. Also, the 16mm is $149.