The FLIP FILTERS +10 Close Up Lens is +10 on the surface but is a little less underwater. It is well suited to subjects approximately the size of a football from a distance of 1'/30cm. The +10 Macro Lens needs to be as close to the cameras lens as possible in order to prevent vignetting (working distance is 6-12 inches).
The +10 Macro Lens requires the FLIP FILTERS 55mm adapter