7artisans 15mm F4 Full Frame Ultra-Wide Angle Lens for Sony-E Mount A640 A7RII. We will not be responsible for item loss because of a wrong or undeliverable address. Most items will be sent out by postal service default. But there are many other express services that can be chosen, such as DHL/UPS/EMS/Toll and so on. This is just a reference time, postal service is out of our control, sometimes will be delayed. We have been engaged for many years in the line of photographic equipment and our corporation is established for the purpose of trustworthiness. We have offices in Shenzhen, China, and 3 warehouses that are located in Australia and United States.