| Model: | lens-pconcave |
|---|---|
| Brand: | sun optics |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | Plano concave lens , double concave lens , lens |
| Price: |
US $2
/ pc
|
| Min. Order: | 200 pc |
| Live Chat: | Last Online:21 Oct, 2013 |
Plano concave lens
Plano-Concave Lens have one flat and one inward curved surface. PV lenses have a negative focal length and are used for image reduction or to spread light.
Application:
●Optical Display System
●Projection Optics System
●Imaging Optics System
●Laser Measurements System
Specification:
|
Material |
BK7 or Fused Silica |
|
Design Wavelength |
546.1 nm |
|
Design Index: |
|
|
BK7 |
1.5183 ± 0.0005 |
|
Fused Silica |
1.46008±0.00005 |
|
Diameter Tolerance |
+0.00, -0.15 mm |
|
Thickness Tolerance |
±0.2 mm |
|
Paraxial Focal Length |
±2% |
|
Centration |
<3 arc minutes |
|
Clear Aperture |
>85% |
|
Surface Irregularity |
λ/4@632.8 nm |
|
Surface Quality |
60-40 scratch and dig |
|
Protective Bevel |
0.25 mm x 45° |
BK7 Plano-Concave Lens Standard Products:
|
Part No. |
f (mm) |
Ф(mm) |
R1 (mm) |
t c(mm) |
t e(mm) |
f b(mm) |
|
TPE201 |
-10.0 |
6.0 |
5.18 |
2.0 |
2.9 |
-11.3 |
|
TPE202 |
-20.0 |
10.0 |
10.37 |
2.0 |
3.2 |
-21.3 |
|
TPE203 |
-50.0 |
12.7 |
25.92 |
2.0 |
2.5 |
-51.3 |
|
TPE204 |
-100.0 |
25.4 |
51.83 |
2.0 |
3.6 |
-101.3 |
|
TPE205 |
-200.0 |
25.4 |
103.66 |
2.0 |
2.7 |
-201.3 |
|
TPE206 |
-500.0 |
25.4 |
259.15 |
2.0 |
2.3 |
-501.3 |
|
TPE207 |
-1000.0 |
25.4 |
518.3 |
2.0 |
2.2 |
-1001.3 |
Note: Other material, size and coating are available upon request.
Fused Silica Plano-Concave Lens Standard Products:
|
Part No. |
f (mm) |
Ф(mm) |
R1 (mm) |
t c(mm) |
t e(mm) |
f b(mm) |
|
TPE301 |
-10.0 |
6.0 |
5.18 |
2.0 |
2.9 |
-11.3 |
|
TPE302 |
-20.0 |
10.0 |
10.37 |
2.0 |
3.2 |
-21.3 |
|
TPE303 |
-50.0 |
12.7 |
25.92 |
2.0 |
2.5 |
-51.3 |
|
TPE304 |
-100.0 |
25.4 |
51.83 |
2.0 |
3.6 |
-101.3 |
Note: Other material, size and coating are available upon request
Double concave lens
Double-Concave Lens, also named Bi-Concave Lens, is used to divergent light. It is best used when the input beam is converging.
Application:
●Beam Expander
●Projection Optics System
●Imaging Optics System
●Optical Viewer
●Optical Character Reader
Specification:
|
Material |
BK7 or Fused Silica |
|
Design Wavelength |
546.1 nm |
|
Design Index: |
|
|
BK7 |
1.5183 ± 0.0005 |
|
Fused Silica |
1.46008±0.00005 |
|
Diameter Tolerance |
+0.00, -0.15 mm |
|
Thickness Tolerance |
±0.2 mm |
|
Paraxial Focal Length |
±2% |
|
Centration |
<3 arc minutes |
|
Clear Aperture |
>85% |
|
Surface Irregularity |
λ/4@632.8 nm |
|
Surface Quality |
60-40 scratch and dig |
|
Protective Bevel |
0.25 mm x 45° |
BK7 Double-Concave Lens Standard Products:
|
Part No. |
f (mm) |
Ф (mm) |
R1=R2(mm) |
t c(mm) |
t e(mm) |
f b(mm) |
|
TDE201 |
-10.0 |
10 |
10.70 |
2.0 |
4.5 |
-10.6 |
|
TDE202 |
-20.0 |
12.7 |
21.07 |
2.0 |
4.0 |
-20.6 |
|
TDE203 |
-50.0 |
12.7 |
52.17 |
2.0 |
2.8 |
-50.7 |
|
TDE204 |
-100.0 |
25.4 |
104.0 |
2.0 |
3.6 |
-100.7 |
Note: Other material, size and coating are available upon request.