1.499 Semi-Finished (S/F) Lenses:
Ø Base Curves : 2.00, 4.00,6.00, 8.00
Ø Addition Powers : 1.00 to 3.00 in 0.25D steps
Ø
|
Diameter |
Nominal |
True Curve |
Radius |
Back |
Edge |
Center |
MRP |
Seg |
Fitting Cross |
Sag at |
RX Range |
|
Curve |
(n=1.530) |
Curve |
mm |
mm |
Dec. |
Inset |
above MRP |
50mm |
|||
|
75mm |
200 |
2.64 |
200.80 |
4.00 |
12.00 |
10.00 |
3 |
1.97 |
2 |
1.56 |
-3.25D/-7.50D |
|
75mm |
400 |
4..20 |
126.40 |
4.62 |
11.00 |
10.50 |
3 |
1.97 |
2 |
2.49 |
-1.00D/-3.00D |
|
75mm |
600 |
6.30 |
83.98 |
6.12 |
9.00 |
9.50 |
3 |
1.97 |
2 |
3.80 |
-0.75D/+2.25D |
|
75mm |
800 |
7.82 |
67.77 |
6.12 |
8.00 |
11.00 |
3 |
1.97 |
2 |
5.19 |
+2.50D/+5.50D |
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