Meniscus Lens
| Model: | lens-m |
|---|---|
| Brand: | sun optics |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | Meniscus Lens , BK7 Meniscus lens , positve meniscus len |
| Price: |
US $2
/ pc
|
| Min. Order: | 200 pc |
Product Description
Meniscus Lens
Meniscus Lens can increase the NA of the system while only adding slightly to the total spherical aberrations. The Negative Meniscus Lens is used to increase the focal length of another lens while maintaining the angular resolution of the optical assembly.
Application:
●Camera System
●Projection Optics System
●Imaging Optics System
●Laser Measurements System
●Optical View Finder
Positive Meniscus Lens：
|
Material |
BK7 grade A optical glass |
|
Design Wavelength |
546.1 nm |
|
Design Index: |
1.5183 ± 0.0005 |
|
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 Positive Meniscus Lens Standard Products:
|
Part No. |
f (mm) |
Ф(mm) |
R1 (mm) |
R2(mm) |
t c(mm) |
t e(mm) |
f b(mm) |
|
TPM101 |
100.0 |
25.4 |
33.72 |
90.0 |
4.0 |
2.5 |
97.5 |
|
TPM102 |
125.0 |
25.4 |
38.47 |
90.0 |
4.0 |
2.8 |
121.8 |
|
TPM103 |
150.0 |
25.4 |
42.52 |
90.0 |
4.0 |
3.0 |
146.3 |
|
TPM104 |
175.0 |
25.4 |
46.05 |
90.0 |
4.0 |
3.1 |
171.2 |
Note: Other material, size and coating are available upon request.
Negative Meniscus Lens：
|
Material |
BK7 grade A optical glass |
|
Design Wavelength |
546.1 nm |
|
Design Index: |
1.5183 ± 0.0005 |
|
Diameter Tolerance |
+0.00, -0.15 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 Negative Meniscus Lens Standard Products:
|
Part No. |
f (mm) |
Ф(mm) |
R1 (mm) |
R2(mm) |
t c(mm) |
t e(mm) |
f b(mm) |
|
TNM101 |
-100.0 |
25.4 |
90.0 |
32.59 |
3.0 |
4.5 |
-99.2 |
|
TNM102 |
-125.0 |
25.4 |
90.0 |
37.26 |
3.0 |
4.2 |
-123.7 |
|
TNM103 |
-150.0 |
25.4 |
90.0 |
41.42 |
3.0 |
4.0 |
-149.5 |
|
TNM104 |
-175.0 |
25.4 |
90.0 |
44.86 |
3.0 |
3.8 |
-174.6 |
Note: Other material, size and coating are available upon reque
Member Information
| Sun Optics Co.,ltd | |
|---|---|
| Country/Region: | Ji Lin - China |
| Business Nature: | Manufacturer |
| Phone: | 14475695 |
| Contact: | Miya Yang (Sale Manager) |
| Last Online: | 21 Oct, 2013 |
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