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| style="height:20px; width:200px; text-align:center;" |A picture of a '''convex lens'''.
| style="height:20px; width:200px; text-align:center;" |They The symbol used in [[diagram]]s to represent a '''convex lens'''
|}
|-
| style="height:20px; width:200px; text-align:center;" |A picture of a '''convex lens'''.
| style="height:20px; width:200px; text-align:center;" |They The symbol used in [[diagram]]s to represent a '''convex lens'''
|}