* Lunghezza focale di 23mm, grande apertura f1.4 * 11 elementi in 10 gruppi di ottica tra cui 2 obiettivi * rivestimento multistrato HD Nano, con rivestimento resistente all'acqua e antivegetativa sull'obiettivo anteriore. * Struttura metallica di precisione * motore di messa a fuoco STM senza rumore * messa a fuoco automatica, parti in ottone di precisione sulla parte chiave, sensazione di mano liscia
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