58MM 62MM CLOSE UP MACRO COUPLER LENS REVERSAL RING IN INDIA

Title MACRO COUPLER  58MM 62MM 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   WE work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation