Pixco 1mm Macro Ultra-slim M42 to NEX Adapter For 42 Helicoid Extension Tube normally ,the shipping time is about 6~15 working days to USA.Please note:If you receive a message indicates that you will receive item(s) longer than 6~15 working days.please don't worry,it is inaccurate. When run into the busy season, Customs thorough investigation, worsening climate etc,the shipping might be delayed.But please don't worry,don't hesitate to contact with me,i will do my best to help you. Compatible with:NEX A5100 A6000 A5000 A3000 NEX-5T NEX-3N NEX-6 NEX-5R NEX-F3 NEX-7 NEX-5N NEX-5C NEX-C3 NEX-3 NEX-5 NEX-VG900 NEX-VG30 NEX-EA50 FS700 NEX-VG10 NEX-VG20 NOT sure with A7R A7 II (NOTE: Full-frame camera maybe have black-corners) Material: Aluminum This is not standard M42 NEX adapter (which should be around 26.5mm)