Sony Alpha E-Mount 50mm f/1.8 OSS Lens (Silver) with NP-FW50 Battery + Tripod + 3 Filters + Kit Type: Wide Angle Lens Focal Length: 50 mm Camera Mount: Sony (E mount for NEX) Compatibility: Sony Diameter: 49 mm Focus Type: Auto Focus Filter thread (Diameter): 49 mm Weight: 2.36