Product description

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 .

Please see 5th image , that's my testing data , hope that's helpful for your photograph , if you still have any problems for using it , please feel free to contact me , i will support technocial support , thanks

Can be used alone or combined,which can achieve 7 different kind of magnification and work
perfectly with camera’s auto focus.
Pure cupper pin,perfect match.Metal interface,AF,better transmission
Can be used alone or combined,perfectly with camera’s auto focus.

Color: black
Suitable for: Canon EF/EF-S 35mm Lens
Material: Metal & plastic
Macro tube size: Approx.6.8 * 7.4cm / 2.7 * 2.9in (D * H)
Macro tube weight: 123g / 4.3oz

1 * Extension Tube Set (12mm, 20mm & 36mm)
1 * front Cover 1* rear cover 1 * User Manual(English & Chinese)