Lens materials Flashcards
(15 cards)
1
Q
Refractive index crown glass
A
1.523
2
Q
Refractive index CR39
A
1.502
3
Q
Refractive index polycarbonate
A
1.589
4
Q
Refractive index trivex
A
1.562
5
Q
Refractive index 1.6 plastic
A
1.603
6
Q
Refractive index 1.67 plastic
A
1.674
7
Q
Refractive index 1.74 plastic
A
1.746
8
Q
Abbe number crown glass
A
59
9
Q
Abbe number CR39
A
58
10
Q
Abbe number polycarbonate
A
30
11
Q
Abbe number trivex
A
45
12
Q
Abbe number 1.6 plastic
A
36
13
Q
Abbe number 1.67 plastic
A
32
14
Q
Abbe number 1.74 plastic
A
33
15
Q
TRUE / FALSE
The higher the abbe number, the lower the TCA
A
TRUE
