VIDEO: www.youtube com/watch?v=t4nCvDZwt2M. Vintage Ring intermediate threated M42X1 mm for camera ""Zenit"" and so on. Allows you to photograph objects at a distance from ""infinity"" to half a meter. 3 rings in full complect and instruction. Shipping:. All items are shipped via priority air mail with tracking number. Usually i send order next day if it's not Sunday or National Holiday day. Shipping usually takes :. - EU: up to 1-2 weeks. - US: up to 1-3 weeks. - Everywhere Else: up to 1-4 weeks. Please make the purchase deliberately. I give the most accurate description of the products in my shop. Don't hesitate to contact me if you have questions or suggestions . If you want buy 2 or more items feel free to ask discount price. Thank you for visiting my shop and interested in my items!