1Extension tube designed for Sony NEX mounting lens, allowing for higher magnification and closer shooting distance. Adapter group consists of two rings of different lengths, can used individually or in combination. 2With magnification varying according to lens focal distance, can easily take closeup photos of small objects, allowing to use all shooting modes of camera, requiring exposure compensation. 3Extension tube designed to allow lens to focusing closer than its normal close& 8209;up, zooming in closer and closer to your subject, making it appear larger in the viewfinder and image. 4Especially useful for microscopy photography, allowing you to convert almost any lens into micro lens while maintaining original optical quality. Builtin electric pins enable support automatic focusing, automatic exposure, TTL, etc, making it very suitable for macro shooting. 5If use alone extension tube(10mm or 16mm) or combination use(10mm + 16mm = 26mm), focal distance of lens should greater than length of extension tube (10mm 16mm or 26mm). Condition: 100% Brand NewItem Type: Macro Adapter RingMaterial: ABS + MetalColor: BlackFeature: Automatic FocusingFitment: For Sony NEX E Mount CameraWeight: Approx. 77gAdapter Ring Length: Approx. 10mm/0.39inch, 16mm/0.63inchCompatible for Sony-A9 A7 A7II A7III A7RIII A7RII A7S A7R A6300 A6000 A5000 A6500 A6600-NEX-5T NEX-3N NEX-6 NEX-5R NEX-F3 NEX-7 NEX-5N NEX-5C NEX-C3 NEX-3 NEX-5 NEX-VG10 NEX-VG20 NEX-VG30 NEX-VG900 1 x 10mm Macro AdapterRing1 x16mm Macro AdapterRing1 xManual