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For a quote on your custom requirements please send us your drawing or specification.
Plano-Concave Lenses
A plano-concave lens is a versatile optical element that has a negative focal length. Unlike other lenses that converge light rays and focus them to a single point, plano-concave lenses diverge light rays, dispersing them in different directions. This characteristic of plano-concave lenses allows them to be used in beam expanders, projection systems, and more.
In addition to beam expanders and projection systems, the plano-concave lens offers a range of other applications. In optical instruments, it is often used to collimate light sources. Collimation is the process of aligning parallel rays of light. By employing a flat-concave lens, it diverges the incident light to produce a parallel output that enables precise measurements in devices such as spectrometers, optical sensors, and astronomical telescopes.
CLZ Optical Co., Ltd. stocks plano-concave lenses ranging from 10mm to 250mm in diameter with a full range of focal lengths to meet your needs. We can also customize optical components to meet your requirements using a variety of optical materials, such as optical glass, fused silica, silicon.
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Materials: Optical glass, Fused Silica and Silicon
Dimensions: Diameters 10mm to 250mm
Edge Finish: Blackened
Surfaces: 80-50 to 20-10 Scratch dig
Centration: To 30 seconds
Irregularity: To 1/10 waves
Coating Options: Single & multi layer AR coatings
-Single layer magnesium fluoride coating
-Broadband anti-reflection (BBAR)
-Single wavelength AR coating (V-coating)
-Dual-band AR coating (W-coating)
We can modifying diameter of lenses and blacking edge in stock optics to meet your requriments.
This can achieve:
The stock optics diameter from large to small and tighter diameter tolerance.
Coated Area is a continuous coating extending to the edges of the optical component. (Edge after coating)
Edge-blackened lenses, or inked lenses, minimize the stray light within an optical system.
Please contact us for discount pricing for stock parts over 10+ and volume/OEM quantities
| Type No. | Data sheet | Material | Diameter (mm) | Coating | EFL (mm) | CT (mm) | |
|---|---|---|---|---|---|---|---|
| L-PC101100076Z | PDF > | UVFS | 76.2 | - | -1000 | 5 | |
| L-PC101030076Z | PDF > | UVFS | 76.2 | - | -300 | 5 | |
| L-PC101025076Z | PDF > | UVFS | 76.2 | - | -250 | 5 | |
| L-PC101020076Z | PDF > | UVFS | 76.2 | - | -200 | 5 | |
| L-PC101015076Z | PDF > | UVFS | 76.2 | - | -150 | 5 |
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