Sonke siyazi ukuthi amalensi adlala indima ewujuqu kupheya yezibuko ezifanele, ngakho-ke lapho sikhetha amalensi, kufanele sikhethe ngokuya ngomsebenzi wethu, izidingo zokuphila nendawo esisebenzela kuyo. Isibonelo, abafundi, abashayeli, odokotela, njll., abantu abanjalo banezidingo eziphezulu ezibonakalayo zombala nebanga.
Ngakho-ke, lapho ukhetha ama-lens, ama-lens angenambala futhi abonakalayo kufanele akhethwe.