C3 Optic Adapter : C3-N09
Phone Skope’s C3-N09 optic adapter is one of two required pieces. This adapter is made out of ABS plastic and locks into the Phone Skope phone case and slides over the optic eyecup, creating a secure fit. This adapter fits the following optics: Nikon Prostaff 5 with a 2.03″ diameter eyepiece. Before ordering, make sure you measure your eyepiece diameter and see if it matches 2.203″.