Chinese English
|
Capacity:
Material: Optical glass, Fused silica, Silicon, Germanium, CaF2, MgF2, Sapphire, ZnSe, ZnS
Diameter: 0.5 to 350 mm
Diameter Tolerance: +0/-0.02 mm
Thickness Tolerance: ±0.01 mm
Surface Quality: 10-5
Surface Figure: λ/10
Centration: 1 minute or 30 Second
Coating: Uncoated, AR and HR
|
 |
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:
Note: Other material, size and coating are available upon request.
|
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 |
|
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 |
|
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 request.
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.
Glass aspheric lens is also called condenser lens, mainly applicable for stage lighting, optical lighting system, etc. We bring in hot briquetting technology from Japan, with volume production ability, including aspheric lens which surface form error is within 100 micron.
Double-Convex Lenses are most suitable where the conjugates are on opposite sides of the lenses and the ratio of the distances is less than 5:1, e.g. as simple image relay components.
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.
