Best Buy via eBay offers the open-box Sony FE 50mm f/1.8 Prime Lens for Sony Alpha E-Mount Cameras, model no. SEL50F18F, for $169.99 with free shipping. That's $28 under the lowest total price we could find for a factory-sealed unit. It features a 1.5-foot minimum focus distance and up to 0.14x magnification. A 1-year Sony warranty is included.