GetItDigital via eBay offers the Sony Sonnar T FE 55mm f/1.8 ZA Lens for Alpha a7 Series Cameras, model no. SEL55F18Z, for $689.99 with free shipping. That's $50 under last month's mention and the lowest total price we could find by $110. It features five aspherical lens elements, Carl Zeiss T-star coating, and 0.14x magnification.