VILTROX DG-C Auto Focus AF Macro lens Extension Tube Ring compatible with Canon EF EF-S 7D 6D 5D 60D 70D 80D 77D 750D 800D 760D 1300D DSLR Camera

It can instead of expensive Close-up lens, with it , I'm sure you don't want to buy another Close-up lens Auto Focus extension tube, designed for Canon EF/EF-S lens to shoot at closer distance with higher magnification With camera of TTL,AE(through-the-lens, automatic exposure)type it gives perfect coupling except when combined with electronic flash AE unit Combined with 3 tubes in different length: 12mm, 20mm, 36mm, can be used in any combination or individually to obtain the different magnification. With camera of TTL,AE(through-the-lens, automatic exposure)type it gives perfect coupling except when combined with electronic flash AE unit. We don't recommended to combine 2 or 3 rings at same time if the focal length is less than 70mm.the auto focus is easy when mount ONE ring , but difficult for 2 or 3 . we suggest to set your camera in MF