Ihe Eji Eme Ntee Ederede Akwụkwọ: Focus bụ ntee ojii nke a na-ebu ebu maka ịkwadebe na ịṅụ tii. Ntee a kewara ụzọ abụọ, otu ite na otu iko, nke jikọtara ọnụ ghọọ otu ụdị dị mkpirikpi nke dị mfe ibu. Ọdịdị ya sitere n'echiche igbe foto (camera lens), nwere ihe owuwu na-egbuke egbuke na-ewuli elu n'etiti akụkụ elu na akụkụ ala ya. Focus e ji ụrọ aja ọcha ọdịnala ndị China mee ya, nke nwere agba na-egbuke egbuke na agba dị na mpụta ya nke yiri anwụrụanwụ, e siri ya ọkụ n'ụzọ ọdịnala ite aja. Eji eriri (screw thread) na mgbidi okpukpu abụọ belata ihe egwu ọkụ mmiri na-erepụta, iko mmiri ya na-emekwa ka mmiri na-asọ nke ọma na-enweghị nsogbu.
Aha oru ngo : Focus, Aha ndị na-emepụta ya : Luo Ranyi, Aha onye ahịa : JIAHAO.
Ihe ukwu a bu ihe nmeri nke mmeri ọla n’iru n ’ulo, ulo na mpi n’ ulo oru. Ga-ahụrịrị ihe nrịbaama nke nenweta ihe nrịba ama nke ọla kọpa iji chọpụta ọtụtụ ihe ndị ọzọ, ihe ọhụụ, ihe okike na nke okike, ụlọ na arụpụta ihe eji arụ ọrụ.
