Lecture 4 - Lens Materials and Design Considerations Flashcards Preview

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Flashcards in Lecture 4 - Lens Materials and Design Considerations Deck (4)
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1

Minus lenses are always thickest where on a lens?

At the edges

2

What is the index of refraction, abbe value and determine whether or not the chromatic aberration is low, medium or high for GLASS?

n= 1.52
Abbe Value = 58
Low chromatic abr.

3

What is the index of refraction, abbe value for FLINT?

n = 1.58
Abbe Value = 30 to 40

4

What is the index of refraction, abbe value for BARIUM?

n=1.54
Abbe Value = 55 - 59