HI-ADD STANDARD PLASTIC "HIGH ADDITIONS"
- Flat Top 28 & 35 Clear - Hardcoated and Uncoated
 

 

Diameter

Nominal
Curve

True
Curve

Back
Curve

Edge

Center

Seg
Inset

Seg
Drop

SAG
at 50

Radius

Add
Range

RX Range

80

4.25

4.26

6.25

14.5

11.5

0

5

2.54

124.41

4.50-8.00 in 0.50D

-5.00D to +2.00D

80

6.25

6.30

6.25

9.5

9.5

0

5

3.80

84.13

4.50-6.00 in 0.50D