Custom H-K9L Plano Concave Lens Spherical Lenses Optical Glass
Plano Concave Lenses convert a beam of parallel light into divergent light rays. The divergent light rays are reversely focused at the virtual focus of the plano-concave lens. The focal length is negative. One side is flat and the other side is concave. Plano-concave lenses diverge a collimated beam from a virtual focal point and are commonly used in Galileo-type beam expanders. When in use, the concave surface faces the direction of the incident light, with the flat side facing the focal plane to be processed. Plano-concave lenses have a negative focal length and negative spherical aberration, which can be used to cancel out the aberrations of other lenses in the system.
Bohr optics provides uncoated and AR-coated plano-concave lenses to meet your different applications in different wavelengths. AR coating options include UV, VIS, NIR, and SWIR. Bohr optics plano-concave lens coating is a double-sided anti-reflection coating, which can greatly reduce the reflection on the surface of the component and increase its transmittance. United Optical provides plano-concave lenses with various substrates. K9 optical glass substrates are suitable for visible light and near-infrared applications, germanium, silicon, zinc selenide, calcium fluoride substrates are suitable for infrared applications, and fused silica is suitable for for UV applications.
Material | N-BK7 / Fused Silica / F2/B270, Optical Glass |
Dia | 1 - 500mm |
EFL | Your required |
Surface Quality | 40/20 or better |
Flatness | Your required |
Coating | Customer Request |
We are good at producing optical lens,including Plano Convex Lens,Plano Concave Lens,Bi-Convex Lens,Bi-Concave Lens,Achromatic Lens,Dome Lens,Meniscus Lens.
If you are interested,We will give you a most favorable price, and send samples for your reference and testing.
N-BK7(H-K9L) Optical Plano-concave Lens Inventory List | |||||||||||
1. Accept OEM based on your requirement or drawing | |||||||||||
2. Below ptrice of stock item can reference for 1-5 pcs, more quantity can get discount based on your quantity | |||||||||||
Material | Dia | EFL | Diameter Tolerance | Thickness Tolerance | Te | TC | Surface Quality | Flatness | Centration | Coating | Unit price |
mm | mm | mm | mm | USD/PC | |||||||
... | ... | ... | ... | ... | ... | ... | ... | ... | ... | Negotiation | |
N-BK7 | 6 | -10 | +0/0.2 | +/-0.2 | 2.9 | 2 | 40/20 | L/4 | ±1′ | No | 10.15 |
N-BK7 | 10 | -15 | ±0.05 | ±0.05 | 3.53 | 2.07 | 60/40 | 5 | ±3′ | 400-700 | 10.15 |
N-BK7 | 12.7 | -15 | +0/-0.1 | +/-0.1 | 5 | 1.85 | 40/20 | L/4 | ±3′ | No | 10.15 |
N-BK7 | 20 | -50 | +0/0.2 | +/-0.2 | 4 | 2 | 40/20 | L/4 | ±1′ | No | 12.00 |
N-BK7 | 25.4 | -30 | +0/-0.1 | +/-0.1 | 7.7 | 2 | 60/40 | L/4 | ±3′ | No | 9.23 |
N-BK7 | 25.4 | -60 | +0/-0.1 | +/-0.1 | 4.2 | 2 | 60/40 | L/4 | ±3′ | No | 9.23 |
N-BK7 | 25.4 | -100 | +0/-0.1 | +/-0.1 | 3.5 | 2 | 60/40 | L/4 | ±3′ | No | 9.23 |
N-BK7 | 25.4 | -150 | +0/-0.1 | +/-0.1 | 3 | 2 | 60/40 | L/4 | ±3′ | No | 9.23 |
N-BK7 | 135 | R-540 | +0/-0.2 | +/-0.2 | 15 | 10.76 | 60/40 | 5/1 | ±3′ | No | Negotiation |
... | ... | ... | ... | ... | ... | ... | ... | ... | ... | Negotiation |
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