Sengoloa se buang ka lilense tse kobehileng (tse kobehileng)
Tlhaloso ea lense e kobehileng
Mofuta o mong oa lense o sebelisoang bophelong ba letsatsi le letsatsi ke lense e kobehileng. Lense e kobehileng ke lense e nang le bohareng bo teteaneng ha mathoko a le masesaane. Lilense tse kobehileng hangata li chitja 'me li entsoe ka khalase e le hore lense e be le index ea refractive e phahameng ho feta index ea refractive ea moea.
Mefuta ea lilense tse bōpehileng joaloka convex
Ka kakaretso, ho na le mefuta e meraro ea lilense tse kobehileng, tseo ho tsona sebopeho sa lense e kobehileng se bontšitsoeng ka tlase (pono e ka thoko).
Mohala o lamunu = lense e kobehileng
Mola o lamunu = seipone se kobehileng