Xa sibona umngxunya we-Edd (i-DIP ye-DIP), kuya kuba nenxalenye emibini kwimigangatho ephathwayo : Ilungu lelungu kunye nelungu lelungu.
Ngeelensi, iya kuba yilensi emhlophe engabonakaliyo, iilensi ezimibalabala ezimibalabala, iilensi zombala, iilensi ezicacileyo okanye iilensi ezicacileyo ezibonakalayo. Kwaye tha enye inxenye. Izikhonkwane eziqhelekileyo ziya kuba nobude kwi-17mm & 19mm, 29mm kunye ne-27mm. Kule bhatalogu, siya kubonisa ubude bezikhonkwane ezinde ezine-81mm & 79mm okanye i-57mm kunye ne-55mm.