. ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁Category : 1 9 9 8 ▁birth s ▁Category : L iving ▁people ▁Category : Ch inese ▁female ▁sw imm ers ▁Category : O lymp ic ▁sw imm ers ▁of ▁China ▁Category : Sw imm ers ▁at ▁the ▁ 2 0 1 6 ▁Summer ▁Olympics ▁Category : Place ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁Rolle if lex ▁is ▁the ▁name ▁of ▁a ▁long - running ▁and ▁diverse ▁line ▁of ▁high - end ▁cam eras ▁originally ▁made ▁by ▁the ▁German ▁company ▁Fran ke ▁& ▁He ide cke , ▁and ▁later ▁Rol lei - W erk . ▁ ▁History ▁ ▁The ▁" R ol le if lex " ▁name ▁is ▁most ▁commonly ▁used ▁to ▁refer ▁to ▁Rol lei ' s ▁premier ▁line ▁of ▁medium ▁format ▁tw in ▁l ens ▁ref lex ▁( TL R ) ▁cam eras . ▁( A ▁companion ▁line ▁intended ▁for ▁amateur ▁photograph ers , ▁Rolle ic ord , ▁existed ▁for ▁several ▁dec ades .) ▁However , ▁a ▁variety ▁of ▁T LR s ▁and ▁SL R s ▁in ▁medium ▁format , ▁and ▁zone ▁focus , ▁and ▁SL R ▁ 3 5 ▁mm , ▁as ▁well ▁as ▁digital ▁formats ▁have ▁also ▁been ▁produced ▁under ▁the ▁Rolle if lex ▁label . ▁The ▁ 1 2 0 ▁roll ▁film ▁Rolle if lex ▁series ▁is ▁market ed ▁primarily ▁to ▁professional ▁photograph ers . ▁ ▁Rolle if lex ▁cam eras ▁have ▁used ▁film ▁formats ▁ 1 1 7 ▁( Original ▁Rolle if lex ), ▁ 1