Modello ad occhiale, Regolazione verticale della, Regolazione dell’errore – Welch Allyn LumiView Portable Binocular Microscope - User Manual User Manual
Page 72

Modello ad occhiale
Regolazione verticale della sezione ottica
l
Allentare la vite che
fissa gli occhiali della
sezione ottica.
l
Riposizionare la sezione
ottica in modo da
ottenere un corretto
allineamento con gli occhi
dell’utente.
l
Stringere la vite per mantenere in posizione la sezione ottica.
Regolazione dell’errore di rifrazione dell’utente
(soltanto per i modelli ad occhiale)
La distanza ottimale di funzionamento dall’oggetto è di 38-43 cm. Se
questo modello viene usato senza le lenti correttive, e se l’utente è
miope o presbite, sara necessario lavorare mantenendo una distanza
minore o maggiore dall’oggetto, in base all’errore di rifrazione.
Per ovviare a questo problema, i modelli ad occhiale possono essere
prowisti di lenti correttive prescritte dal vostro oculista.
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