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Plano Concave Lenses are ideal for beam expansion, light projection, or for expanding an optical system's focal length. Plano Concave Lenses, which have one concave surface, are Optical Lenses with negative focal lengths. Plano-Concave Lenses should be shaped with the plano, or flat, surface towards the desired focal plane.Plano-Concave Lenses are ideal for use in a range of applications or industries. HG OPTRONICS offers Plano-Concave lenses with a variety of coating options.
Product Origin:
ChinaShipping Port:
Fuzhou, ChinaLead Time:
5-6weeks
2.1.What are plano-concave lenses used for?
Plano concave lenses, which have one concave surface, are optical lenses with negative focal lengths, they are ideal for beam expansion, light projection, or for expanding an optical system's focal length. HG OPTRONICS offers Plano-Concave lenses with a variety of coating options, and they are ideal for use in a range of applications or industries.
2.2.What kinds of materials can HG OPTRONICS use to make plano-concave lenses?
CDGM optical glasses, SCHOTT, OHARA,YAG,PPKTP, Fused Silica, Sapphire, Germanium, Silicon, calcium fluoride (CaF2), Zinc Selenide (ZnSe), and other infrared materials.
2.3.plano-concave lenses Common Specification
|
Material |
Optical glass, BK7,H-K9L, Fused Silica, CDGM,Schott, OHARA, YAG CaF2,Germanium etc. |
|
Dimension Tolerance |
±0.1mm(Standard), ±0.01mm(High Precision) |
|
Center Thickness Tolerance |
±0.1mm(Standard), ±0.02mm(High Precision) |
|
Paraxial Focal Length |
±1% |
|
Surface quality |
40/20(Standard), 10/5(High Precision) |
|
Clear Aperture |
>90% |
|
Surface Figure |
λ/4(Standard), λ/10(High Precision) @633nm |
|
Centration |
3 arc minutes |
|
Bevel |
<0.2mm×45° |
|
Coating |
Upon requirement |
2.4. plano-concave lenses case show
|
Part No. |
Material |
F(mm) |
Φ(mm) |
R(mm) |
Tc(mm) |
Te(mm) |
Fb(mm) |
|
HGQ21005 |
BK7 |
-8.0 |
6.0 |
4.15 |
2.0 |
3.30 |
-9.30 |
|
HGQ21006 |
BK7 |
-20.0 |
6.0 |
-10.37 |
2.0 |
2.44 |
-21.30 |
|
HGQ21007 |
BK7 |
-30.0 |
6.0 |
-15.56 |
2.0 |
2.29 |
-31.32 |
|
HGQ21020 |
BK7 |
-100.0 |
12.7 |
-5, 1.88 |
2.0 |
2.39 |
-101.33 |
|
HGQ21024 |
BK7 |
-50.0 |
25.4 |
-25.94 |
2.0 |
5.32 |
-51.33 |
|
HGQ21025 |
BK7 |
-75.0 |
25.4 |
-38.90 |
2.0 |
4.13 |
-76.31 |
|
HGQ21101 |
BK7 |
-150.0 |
25.4 |
-77.80 |
2.0 |
3.04 |
-151.30 |
|
HGQ21102 |
BK7 |
-200.0 |
25.4 |
-103.75 |
2.0 |
2.78 |
-201.33 |
|
HGQ21103 |
BK7 |
-250.0 |
25.4 |
-129.72 |
2.0 |
2.62 |
-251.39 |
|
HGQ21110 |
BK7 |
-300.0 |
38.0 |
-155.60 |
2.0 |
3.16 |
-301.30 |
|
HGQ21211 |
BK7 |
-200.0 |
50.8 |
-103.75 |
2.0 |
5.16 |
-201.34 |
|
HGQ21212 |
BK7 |
-300.0 |
50.8 |
-155.60 |
2.0 |
4.00 |
-301.30 |
|
HGQ21213 |
BK7 |
-500.0 |
50.8 |
-259.40 |
2.0 |
3.25 |
-501.40 |
|
HGQ21215 |
JGS1 |
-15.0 |
12.7 |
6.90 |
2.0 |
6.20 |
-16.40 |
|
HGQ21219 |
JGS1 |
-20.0 |
12.7 |
9.20 |
2.0 |
4.50 |
-21.40 |
|
HGQ21220 |
JGS1 |
-25.0 |
12.7 |
11.50 |
2.0 |
3.90 |
-26.40 |
|
HGQ21235 |
JGS1 |
-30.0 |
12.7 |
13.80 |
2.0 |
3.50 |
-31.40 |
|
HGQ21236 |
JGS1 |
-50.0 |
25.4 |
23.00 |
2.0 |
5.80 |
-51.40 |
|
HGQ21237 |
JGS1 |
-75.0 |
25.4 |
34.51 |
2.0 |
4.40 |
-76.40 |
|
HGQ21251 |
JGS1 |
-100.0 |
25.4 |
46.01 |
2.0 |
3.80 |
-101.40 |
|
HGQ21252 |
JGS1 |
-150.0 |
25.4 |
69.01 |
2.0 |
3.20 |
-151.40 |
|
HGQ21253 |
JGS1 |
-200.0 |
38.0 |
92.02 |
3.0 |
5.00 |
-202.10 |
|
HGQ21254 |
JGS1 |
-350.0 |
38.0 |
161.03 |
3.0 |
4.10 |
-352.10 |
|
HGQ21255 |
JGS1 |
-500.0 |
38.0 |
230.04 |
3.0 |
3.80 |
-502.10 |
|
HGQ21256 |
CaF2 |
-100.0 |
25.4 |
42.50 |
2.0 |
3.90 |
-101.40 |
|
HGQ21341 |
CaF2 |
-200.0 |
25.4 |
85.00 |
2.0 |
3.00 |
-201.40 |
|
HGQ21544 |
CaF2 |
-500.0 |
25.4 |
212.50 |
2.0 |
2.40 |
-501.40 |
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