Pixco Lens Adapter For Pentax K PK 52mm Macro Reverse Adapter Ring K-3 K-50 K-5 II K-30 K-01 K-5 K-r K-x K-7 K-m K200 K200D K10D K100D Super 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:Pentax K-S1 K-3 K-50 K-5 II K-5 IIsK-30 K-01 K-5 K-r K-x K-7 K-m K20D K200D K10D K100D Super Made of Aluminum (not plastic) 52mm Male thread