Description

Adapter ring is used between camera(or projector) and lenses,it could mount kinds of conversion lenses,such as telephot lens,wide angle lens,fisheye lens,and so on.
Adapter rings are labeled from the camera to the filter.
For example, a *5.5mm to *6mm step up ring is used for a camera (or lens) with *5.5mm threads. The adapter will allow a *6mm filter (or other adapter ring) to fit. 
Adapter rings can be stacked.  To use a *9mm filter on a *5.5mm camera lens, first use a *5.5mm to *6mm step up ring and then a *6mm to *9mm step up ring.
Specification of our adapter ring as follow: *M*5,*7,*8,*0,*0.5,*4,*0.5mm,*3mm,*6mm,*9mm to *7mm *M*7,*0.5,*3,*9,*5,*8,*2 to *2mm
*M*2,*5 to *8mm
*M*5,*8,*2,*7 to *2mm
*M*7,*2,*7 to *2mm