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Dispensing > Lens Materials > Flashcards

Lens Materials Flashcards

1
Q

Crown glass

A

Index- 1.50

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2
Q

Polycarbonate

A

Index - 1.53

Abbe 30

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3
Q

Glass

A
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4
Q

Trivex

A 
SG 1.11
Lightest lens material 
Index 1.53 
Great optics 
Impact resistant
Abbe 43
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5
Q

Index of refraction

A
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6
Q

Mid index range ?

A

1.53-1.58

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7
Q

Hi index

A

1.59 ans higher

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8
Q

Cr/39

A

Index — 1.50
Abbe 59
Most common
Best optics

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Dispensing (3 decks)

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