- Automatic Macro Extension Tube for E-Mount camera is composed by two different ring(10mm, 16mm) which can be used alone or combined (3 Different Combinations) to meet your needs for different close-up magnification. - The connector is designed with new electronic technology, which can help you to achieve Auto-focus and TTL Exposure functions, it also supports Full-Frame Shooting. - It is a wonderful partner for Sony E-Mount lens and camera used for Macro Shooting ! - Extension Tube is only suitable for macro shooting, it can't focus infinitely after installing - The focusing distance is limited after installing Extension Tube, and the focusing range is different with different focal lengths so you can adjust the focal length by changing the distance between the object and the camera or by operating the zoom device of the main lens - Take care that the exposure needs to be increased after installing Extension Tube (The use of tripod and flash is advisable) - Support Auto-focus, it's best to switch to manual focus mode if the subject’s depth becomes shallow Specification: - Focus on Exact Macro Shooting - Support Exact TTL Exposure and Auto-focus - Built-in Electronic Pins and Internal Driver - Support All NEX Series and Full-Frame E-Mount Cameras - Made of High-quality Aluminum Alloy, Powerful and Stable - Including Two Tubes(10mm, 16mm), 3 Different Combinations - New Electronic Technology, Convenient for Macro Shooting - Compact and Delicate NOTE: a. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. b. Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying.