Pixco Lens Adapter For Micro 4/3 M43 49mm Macro Reverse Adapter Ring Panasonic LUMIX GM1 GX7 GH3 G5 GF5 Olympus OM-D E-M1 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:Panasonic LUMIX GH4 GM1 GX7 GF6 GH3 G5 GF5 GX1 GF3 G3 GH2 G2 GF2 G1 GF1 G10 Made of metal (not plastic) 49mm Male thread