Features [Seamless Connection] Specially designed replacement for Sony E mount ILDC cameras, such asA7, A7R, A7S, NEX7, NEX6, NEX-5N, NEX-5C, NEX-5R, NEX-5T, NEX-C3, NEX-F3, NEX3N, A5000, A6000, and more, can perfectly fit well and works well with the cameras. [Multiple Usage Modes] Can use 10mm or 16mm macro extension tube separately, 10mm + 16mm in combination is also suitable, achieving different magnification at close distance and picture effects. [Auto Focus Function] With metal mount and metal contacts, the focusing is more smooth and fast, and the picture is clearer, perfect for macro photography. [Manual Aperture Control] Convenient for shooting in bright or low light environment, flexible to adjust light transmittance, achieving clear picture of higher quality. [Easy to Install] With red dots and buttons, convenient for installation, easy and quick to use, steady and loose-proof. Specifications : FOTGA Model:NE19(AF) 10-16 Color: Black Material: Metal Product Size: 6.3 * 6.3 * 3cm/ 2.4 * 2.4 * 1.1inch Product Weight: 56g/ 1.9oz Package Size: 7.2 * 7 * 5.3cm/ 2.8 * 2.7 * 2inch Package Weight: 73g/ 2.5oz Package List 1 * 10mm Macro Extension Tube 1 * 16mm Macro Extension Tube