Plano Concave Lens
Planarconcave lensbend parallel input rays so they diverge from one another on the output side of the lens and hence have a negative focal length. The spherical aberration of the plano concave lenses is negative and can be used to balance aberrations created by other lenses. Similar to the plano concave lens, the curvature surface usually faces the largest object distance or the infinite conjugate to minimize spherical aberration.
Evoputk is one of the leading concave lenses factories.
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Description Of Plano Concave Lens
Ecoptik Plano concave lensbend parallel input rays so they diverge from one another on the output side of the lens and hence have a negative focal length. The spherical aberration of the plano concavelenses is negative
Specifications OfPlano Concave Lens
|
Material |
Optical glass/ Fused silica/ sapphire etc. |
|
Diameter |
2mm~300mm |
|
Diameter tolerance |
±0.05mm(≤50mm) |
|
±0.1mm(＞50mm) |
|
|
Focal length |
-50mm~-2000mm |
|
Focal length tolerance |
±0.2%（＜10mm） |
|
±0.5%（＜10mm-1000mm） |
|
|
±1%（＜＞1000mm） |
|
|
Edge Thickness |
2mm~20mm |
|
Surface quality |
60/40， 40/20， 20/10 |
|
Surface accuracy |
etc. |
|
Clear Aperture |
>85% dig diameter |
|
Centration |
<3arc min~ 30arc sec |
|
Chamfer |
<0.2mm×45° |
|
Coating |
As per customer’s request |
|
Type No. |
Diameter (mm) |
Center Thickness (mm) |
Edge Thickness (mm) |
Effective Focal Length (mm) |
|
PCA-6 |
6 |
2 |
-10 |
|
|
PCA-7.8 |
-12.7 |
|||
|
PCA-8 |
8 |
2 |
3 |
-15 |
|
PCA-10 |
10 |
2 |
-20 |
|
|
PCA-12.7-A |
2 |
-20 |
||
|
PCA-12.7-B |
2 |
-30 |
||
|
PCA-12.7-C |
2 |
-50 |
||
|
PCA-12.7-D |
2 |
-100 |
||
|
PCA-15 |
15 |
2 |
-75 |
|
|
PCA-21 |
21 |
2 |
-40- |
|
|
PCA-22.4 |
2 |
-100 |
||
|
PCA-25.4-B |
2 |
-35 |
||
|
PCA-25.4-C |
2 |
-70 |
||
|
PCA-25.4-D |
2 |
-75 |
||
|
PCA-25.4-E |
2 |
-100 |
||
|
PCA-25.4-F |
2 |
3 |
-150 |
|
|
PCA-25.4-G |
2 |
-200 |
||
|
PCA-25.4-H |
2 |
-300 |
||
|
PCA-25.4-I |
2 |
-500 |
||
|
PCA-25.4-J |
2 |
-1000 |
||
|
PCA-30 |
30 |
2 |
-80 |
|
|
PCA-38-A |
38 |
3 |
-50 |
|
|
PCA-38-B |
38 |
3 |
-100 |
|
|
PCA-38-C |
38 |
3 |
-200 |
|
|
PCA-38-D |
38 |
3 |
4 |
-350 |
|
PCA-38-E |
38 |
3 |
-500 |
|
|
PCA-38-F |
38 |
3 |
-700 |
|
|
PCA-50-A |
50 |
5 |
11 |
-100 |
|
PCA-50-B |
50 |
5 |
-125 |
|
|
PCA-50-C |
50 |
3 |
-500 |
|
|
PCA-50-D |
50 |
3 |
-800 |
|
|
PCA-50.8-A |
13 |
-75 |
||
|
PCA-50.8-B |
4 |
-100 |
||
|
PCA-50.8-C |
4 |
-150 |
||
|
PCA-75-A |
75 |
5 |
-150 |
|
|
PCA-75-B |
75 |
5 |
12 |
-200 |
|
PCA-100-A |
100 |
6 |
-200 |
|
|
PCA-100-B |
100 |
6 |
16 |
-250 |
|
PCA-100-C |
100 |
-300 |
||
|
PCA-100-D |
100 |
-400 |
||
|
PCA-100-E |
100 |
8 |
-500 |
|
|
PCA-100-F |
100 |
-600 |
||
|
PCA-125-A |
125 |
-300 |
||
|
PCA-125-B |
125 |
-400 |
||
|
PCA-125-C |
125 |
6 |
-500 |
|
|
PCA-125-D |
125 |
9 |
-600 |
|
|
PCA-125-E |
125 |
-700 |
||
|
PCA-125-F |
125 |
-800 |
||
|
PCA-150-A |
150 |
5 |
-400 |
|
|
PCA-150-B |
150 |
-500 |
||
|
PCA-150-C |
150 |
-600 |
||
|
PCA-150-D |
150 |
9 |
-700 |
|
|
PCA-150-E |
150 |
8 |
-800 |
|
|
PCA-200-A |
200 |
-500 |
||
|
PCA-200-B |
200 |
-600 |
||
|
PCA-200-C |
200 |
-700 |
||
|
PCA-200-D |
200 |
-800 |
||
|
PCA-200-E |
200 |
-900 |
||
|
PCA-200-F |
200 |
-1000 |
||
|
PCA-250-A |
250 |
6 |
-700 |
|
|
PCA-250-B |
250 |
-800 |
||
|
PCA-250-C |
250 |
8 |
-900 |
|
|
PCA-250-D |
250 |
-1000 |
||
|
PCA-250-E |
250 |
12 |
-1100 |
|
|
PCA-250-F |
250 |
15 |
-1200 |
|
|
PCA-300-A |
300 |
10 |
-1000 |
|
|
PCA-300-B |
300 |
12 |
-1200 |
|
|
PCA-300-C |
300 |
14 |
-1400 |
|
|
PCA-300-D |
300 |
16 |
-1600 |
|
Material |
Diameter (mm) |
Concave Surface Radius (mm) |
Center Thickness (mm) |
Focal Length (mm) |
|
H-K9L |
3 |
-3.05 |
3 |
-5.9 |
|
H-K9L |
5 |
-51.68 |
5 |
-100 |
|
H-K9L |
9 |
-10.8 |
-20.9 |
|
|
JGS1 |
10 |
-13.81 |
2 |
-30.1 |
|
Corning 7978 |
10 |
-6.111 |
2 |
-13.3 |
|
H-K9L |
11 |
-11.695 |
1 |
-22.65 |
|
H-K9L |
12 |
-42.63 |
-82.5 |
|
|
Coring7978 |
12 |
-27 |
2 |
-58.9 |
|
Corning 7978 |
12 |
-18.155 |
2 |
-39.6 |
|
H-K9L |
12 |
-13.4 |
-26 |
|
|
HWB850 |
12 |
-8.3 |
3 |
-16 |
|
H-ZF7LA |
12 |
-9 |
2 |
-11.2 |
|
JGS1 |
-600 |
3 |
-300 |
|
|
JGS1 |
-500 |
3 |
-250 |
|
|
JGS1 |
-33.624 |
-16.8 |
||
|
H-ZK6 |
13 |
-7.238 |
3 |
-12.4 |
|
H-LAF3 |
14 |
-8.6 |
2 |
-11.6 |
|
H-K9L |
15 |
-36.07 |
-69.8 |
|
|
HWB850 |
17 |
-18.42 |
-34.4 |
|
|
H-K9L |
19 |
-8.5 |
2 |
-16.5 |
|
ZF6 |
19 |
-9.615 |
2 |
-12.7 |
|
H-K9L |
20 |
-1500 |
3 |
-2902 |
|
H-K9L |
20 |
-1000 |
3 |
-1935 |
|
H-K9L |
20 |
-800 |
3 |
-1548 |
|
H-K9L |
20 |
-500 |
3 |
-967 |
|
JGS1 |
20 |
-33.332 |
4 |
-72.7 |
|
JGS1 |
20 |
-31.688 |
3 |
-69.1 |
|
H-ZF7LA |
20 |
-23.55 |
-28.9 |
|
|
B270 |
-14.12 |
-27 |
||
|
H-K9L |
22 |
-27 |
2 |
-52.2 |
|
Silica |
-90 |
-45 |
||
|
ZF2 |
24 |
-19.8 |
-29.43 |
|
|
H-K9L |
25 |
-51.68 |
-100 |
|
|
JGS1 |
25 |
-45.84 |
-100 |
|
|
JGS1 |
25 |
-22.92 |
2 |
-50 |
|
JGS1 |
25 |
-22.89 |
3 |
-50 |
|
JGS1 |
-150 |
3 |
-75 |
|
|
JGS1 |
-23 |
2 |
-50 |
|
|
Silica |
-38.1 |
-19 |
||
|
H-ZF3 |
28 |
-13.964 |
14 |
-19.5 |
|
H-ZF7LA |
30 |
-12.706 |
-15.6 |
|
|
ZK2 |
-82.6 |
2 |
-141.56 |
|
|
H-ZF7LA |
32 |
-18.7 |
-23.2 |
|
|
H-K9L |
33 |
-155 |
-299.92 |
|
|
H-K9L |
42 |
-51.87 |
2 |
-100 |
|
JGS1 |
42 |
-34.78 |
3 |
-75.9 |
|
H-ZF7LA |
-35.149 |
-43.7 |
||
|
JGS1 |
46 |
-70.96 |
3 |
-155 |
|
H-ZF7LA |
-35.149 |
2 |
-43.7 |
|
|
H-ZF7LA |
52 |
-44.3 |
-55 |
|
|
H-K9L |
58 |
-600 |
10 |
-1161 |
|
ZBaF5 |
58 |
-39.17 |
2 |
-58.37 |
|
H-ZF11 |
99 |
-116.83 |
-167 |
|
|
H-K9L |
100 |
-2000 |
12 |
-1000 |
As a professional precision optical company, our company occupies an area of 2,000 square meters, supported by 120 workers.
As a professional concave lens company,we provide plano concave cylindrical lenswith competitive price.
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