55MM TO 55MM MALE MACRO COUPLER REVERSE LENS REVERSAL IN INDIA

Title MACRO COUPLER  5 5 MM 5 5 MM BOTH SIDE MALE THREAD These rings are frequently used to connect two lenses. More precisely, each male thread is mounted on the filter thread of a lens, and, consequently, these lenses are reversely mounted. Why are macro coupler needed? In general, when a lens is reversely mounted, magnification is increased. For example, if the prime lens has a focal length of xmm and the reversely mounted lens has a focal length of ymm, then the combined lens will have a magnification of x/y. Made of Metal.  hello buyer please leave positive feedback if you not statified this product so i will exchange it but you please not leave negative feedback       Octroi if applicable