Description This macro extension tube set is suitable for Sony NEX E-mout. This tube enables a lens to focus closer than its normal set minimum focusing distance. Designed with electronic contacts, which make it support automatic focusing, automatic exposure, etc. Combined with 2 tubes in different length: 10mm, 16mm, can be used in any combination or individually to obtain the different magnification. Superior lock pin which can tighten the tube joint. Perfect for macro shooting. Suitable for: Sony NEX, E-mount series Micro DSLR. Goliton? is a registered trademark protected by the US Trademark Law. Goliton? products are sold by authorized sellers only.