Double Concave Lens
A double concave lens/double concave mirrorhas a negative focal length, thereby causing collimated incident light to diverge. The double concave lens/mirror has an equal radius of curvature on both sides of the lens. They are generally used to expand light or increase focal length in the existing system, such as beam expander and projection systems.
Description Of Double Concave Lens/Mirror
The double concave lens of Ecoptik has a negative focal length, thereby causing collimated incident light to diverge. A double concave lens has an equal radius of curvature on both sides of the lens.
Specifications Of Double Concave Lens/Mirror
|
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） |
|
|
Center Thickness |
2mm~20mm |
|
Surface quality |
60/40， 40/20， 20/10 |
|
Surface accuracy |
|
|
Clear Aperture |
>85% dig diameter |
|
Centration |
<3arc min~ 30arc sec |
|
Coating |
As per customer’s request |
|
Material |
Diameter (mm) |
Surface Radius 1 (mm) |
Surface Radius 2 (mm) |
Center Thickness (mm) |
Focal Length (mm) |
|
H-ZK3 |
5 |
-14.4 |
-14.4 |
3 |
-9.8 |
|
H-ZF6 |
8 |
-7.2 |
-30.5 |
5 |
-7.4 |
|
H-K9L |
10 |
-11.1 |
-11.1 |
2 |
-10.4 |
|
JGS1 |
10 |
-9.25 |
-9.25 |
-9.8 |
|
|
H-ZF7LA |
11 |
-11.9 |
-11.9 |
2 |
-7.1 |
|
H-K9L |
12 |
-25.1 |
-25.1 |
-24 |
|
|
BAF3 |
12 |
-19.5 |
-47.1 |
2 |
-23.4 |
|
ZF11 |
12 |
-12.6 |
-12.6 |
3 |
-7.4 |
|
H-K9L |
-103 |
-103 |
-98.9 |
||
|
H-ZF6 |
13 |
-30.6 |
-154 |
3 |
-33.5 |
|
H-LAK7 |
13 |
-48.9 |
-27.7 |
2 |
-24.4 |
|
H-ZK2 |
13 |
-12.1 |
-15.7 |
1 |
-11.3 |
|
H-ZF6 |
-34.7 |
-79.6 |
-31.6 |
||
|
H-ZF2 |
14 |
-36.2 |
-192 |
3 |
-45 |
|
H-ZF6 |
14 |
-34.7 |
-79.6 |
3 |
-31.6 |
|
H-LAK53A |
14 |
-31.7 |
-58.8 |
-27 |
|
|
H-K9L |
14 |
-27.9 |
-32.2 |
2 |
-19 |
|
H-ZF6 |
15 |
-23 |
-27.7 |
-16.4 |
|
|
H-ZF6 |
15 |
-27.5 |
-23.6 |
-16.4 |
|
|
H-F3 |
15 |
-50.5 |
-11.3 |
-14.8 |
|
|
N-SF6 |
15 |
-13.2 |
-12.1 |
2 |
-7.4 |
|
H-ZF3 |
16 |
-30.6 |
-15.8 |
3 |
-14.6 |
|
H-LAF50B |
-16.8 |
-17.8 |
-11 |
||
|
H-LAF50B |
-37.2 |
-37.2 |
3 |
-23.9 |
|
|
H-K9L |
20 |
-299 |
-85.4 |
2 |
-128 |
|
H-ZF52A |
20 |
-51.6 |
-21 |
-16.7 |
|
|
H-ZF6 |
21 |
-77.4 |
-77.4 |
-51 |
|
|
H-ZF7LA |
21 |
-42.6 |
-184 |
-42.8 |
|
|
H-ZF7LA |
22 |
-255 |
-16.2 |
9 |
-18.7 |
|
H-K9L |
24 |
-11.1 |
-90 |
1 |
-18.9 |
|
JGS1 |
25 |
-92.1 |
-92.1 |
-100 |
|
|
H-K9L |
25 |
-52.1 |
-52.1 |
-50 |
|
|
H-LAF4 |
25 |
-38.4 |
-38.4 |
-25.4 |
|
|
H-F4 |
25 |
-36.7 |
-29.2 |
3 |
-25 |
|
ZK9 |
27 |
-149 |
-52.9 |
-62.7 |
|
|
H-ZK21 |
-281 |
-23.8 |
3 |
-35 |
|
|
BaK2 |
-2249 |
-80.2 |
2 |
-143 |
|
|
JGS1 |
30 |
-71 |
-71 |
3 |
-77 |
|
BaK2 |
-2249 |
-76.4 |
2 |
-137 |
|
|
H-ZF3 |
32 |
-11.8 |
-284 |
2 |
-15.7 |
|
ZF1 |
41 |
-692 |
-170 |
-211 |
|
|
ZF7L |
44 |
-153 |
-49 |
3 |
-45.8 |
|
ZF4 |
54 |
-340 |
-249 |
-197 |
|
|
H-ZF3 |
58 |
-73.8 |
-234 |
4 |
-77.8 |
|
F4 |
60 |
-74.9 |
-78.4 |
1 |
-61.3 |
|
ZF1 |
65 |
-516 |
-163 |
-190 |
|
|
ZBaF3 |
65 |
-296 |
-52.4 |
-67.5 |
|
|
H-ZF2 |
68 |
-83.5 |
-249 |
-92.3 |
|
|
F13 |
68 |
-2465 |
-41.8 |
3 |
-65.6 |
|
H-F4 |
72 |
-170 |
-71.8 |
12 |
-80 |
|
H-K9L |
90 |
-102 |
-347 |
6 |
-15 2 |
Ecoptikis a professional optical components companies, we provide custom optical components, dome flangeand etc. Want to know more? Please contact us.
Send product request
Other supplier products
 |
Neutral Density Filter | Neutral optical density filteris often used in imaging or laser applications to avoid strong light damage to camera sensors or other optical compon... |
 |
Aluminum (Al) Mirror | Aluminum (Al) Mirror As an aluminum mirror manufacturer, Ecoptik (also known as BRD Optical) provide the round, square and customized shape mirror... |
 |
Dove Prism | Dove prisms have an unusual and very interesting characteristic , if you look through the prism and rotate it around a longitudinal axis, the image... |
 |
Neutral Density Filter | Neutral density filter ophthalmologyis often used in imaging or laser applications to avoid strong light damage to camera sensors or other optical ... |
 |
Optical Dome | The optical glass domeis our company's superior product. In the past, most of the fairings were infrared grade, which was mostly used in military p... |
Same products
 |
Microscope Objective Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | Microscope Objective Lens Suitable for ITO, particle detection, wafer inspection Infinity opt... |
 |
DMD Lithography Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | DMD Lithography Lens We have been in close cooperation with LDI (Laser Direct Imaging) manufactu... |
 |
8k Line Scan (57.4mm) Telecentric Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | 8k Line Scan Lens Suitable for large format Area Scan Camera Line Scan Camera 16Kx3.5μm, 8Kx7... |
 |
16k Line Scan (82mm) Telecentric Lens | Seller: Shenzhen Canrill Technologies Co., Ltd | 16k Line Scan (82mm) Telecentric Lens Specially designed for large image circle up to 82mm in le... |
 |
F-theta Lens | Seller: Shenzhen Han\'s Scanner S&T Co., Ltd. | What Is FTheta Lens F-theta Lens Han's Scanner f theta scan lensseries products are the most ... |
