Macro rings of Phottix 3 Ring Macro Auto focusing Extension Tube for Canon

Macro rings of Phottix 3 Ring Auto-Focus AF Macro Extension Tube with support of an auto focus for the lenses Nikon.

Allows to control an auto focus and an aperture on the added lenses.

Rings of 13 mm, 21 mm, 36 mm are included in the package.