Tolerances For Optical Applinces

Question 1

Tolerance on BVP for power 0-9.00D, and for 0.00-0.75DC, >0.75-4.00DC, >4.00-6.00DC

Answer 1

• +/- 0.12D

CYLS
- +/- 0.09
- +/- 0.12
- +/- 0.18

Question 2

Tolerance on BVP for power <9.00 to 12.00D, and for 0.00-0.75DC, >0.75-4.00DC, >4.00-6.00DC

Answer 2

• 0.18D

CYLS
- 0.12D
- 0.18D
- 0.25D

Question 3

Tolerance on BVP for power >12.00-20.00D, and for 0.00-0.75DC, >0.75-4.00DC, >4.00-6.00DC

Answer 3

• 0.25D

CYLS
- 0.18D
- 0.25D
- 0.25D

Question 4

Cyl axis Tolerances

Answer 4

0.125 to 0.25
- 16

0.375 to 0.50
- 9

0.675 to 0.75
- 6

0.875 to 1.50
- 4

1.625 to 2.50
- 3

> 2.50
- 2

Question 5

Reading add tolerance

Answer 5

Up to +4
- 0.12