|
Specification:
| CR
-39
Plano
Lens |
Diameter:Φ65mmΦ70mm |
| Base:200B,400B
,600B,800B |
| CR-39
Round
Lens |
Diameter:Φ70/24mm,
Φ70/28mm |
| Base:400B
,600B |
| CR-39
Invisible
Bifocal
Lens
|
Diameter:Φ70/24mm,
Φ70/28mm |
| Base:400B
,600B |
| CR-39
Flat-top
Bifocal
Lens
|
Diameter:
Φ70/28mm |
| Base:,400B
,600B |
| CR-39
Progressive
Lens
|
Diameter:Φ75mm
|
| Base:200B,400B
,600B,800B |
| CR-39
One
Side
Hard-coating
&
One
Face
Multi-coating
(AR-coating)
For
Above
Lens |
|
Φ65mm
CR-39 Single-vision
Parameter
|
Convexity |
Convave |
Central
Thickness
(mm) |
Edge
Thickness
(mm) |
| Description |
Curvature |
Radius(mm) |
Curvature |
Radius(mm) |
000Base |
0.00 |
± |
4.06 |
123.15 |
10 |
14.4 |
200Base |
2.00 |
249.50 |
4.06 |
123.15 |
9.5 |
11.7 |
400Base |
4.01 |
124.75 |
4.06 |
123.15 |
11 |
11 |
600Base |
6.01 |
83.17 |
4.56 |
109.65 |
9.5 |
7.8 |
700Base |
7.01 |
71.29 |
5.06 |
98.81 |
8.5 |
6.2 |
800Base |
8.03 |
62.24 |
5.56 |
89.93 |
10 |
6.9 |
Φ70mm CR-39 Flat
Top and Round
Top Parameter
Description |
Convexity |
Convave |
Central
Thickness
(mm) |
Edge
Thickness
(mm) |
Curvature |
Radius(mm) |
Curvature |
Radius(mm) |
600Base |
6.01 |
83.17 |
6.05 |
82.60 |
8.0 |
8.0 |
Φ75mm CR-39
Progressive
Lens Parameter
Diameter |
Nominal
Curve
|
Ture
curve
|
Radius |
Back
Curve
|
Edge
mm |
MRP
mm |
Seg
Inset |
Fiting
Cross
aboveMRP |
Sag
at
50mm |
RX
Range |
75mm |
200 |
2.64 |
200.80 |
4.00 |
12.00 |
3 |
3 |
2 |
1.56 |
-3.25D/-6.00D |
75mm |
400 |
4.20 |
126.40 |
4.62 |
10.50 |
3 |
3 |
2 |
2.49 |
_1.00D/-3.00D |
75mm |
600 |
6.30 |
83.98 |
6.12 |
9.50 |
3 |
3 |
2 |
3.80 |
_0.75D/+2.25D |
75mm |
800 |
8.45 |
62.80 |
6.12 |
10.00 |
3 |
3 |
2 |
5.19 |
+2.25D/+5.50D |
|
