Custom Optical Lens Manufacturer in China — ISO 9001 Certified
Chineselens Optics Co., Ltd., backed by Yancheng Tiandi International Trade Co., Ltd. (est. 2001, ISO 9001:2015 certified), is an innovative technology company integrating R&D, production and trade. Since 2017, we have supplied precision optical components to OEM customers in 24 countries across industrial laser, machine vision, medical imaging, defense and research markets. All manufacturing takes place at our own factory, covering spherical, cylindrical, aspheric, coating and assembly capabilities.
- In-House Manufacturing
- 20+ Countries Served
- Since 2017
- ISO 9001:2015 Certified
Optical Lenses
Optical lenses are devices that change the path of light by focusing or diverging, and are an integral part of everyday life. Whether it’s a single lens or a glued lens, it works by changing the light. As the light moves across various materials, the Angle of refraction changes accordingly, thereby redirecting the light. Optical lenses can both focus light and disperse it. When used with other optical components and coatings, it can maximize its role.Optical lenses can both focus light and disperse it. When used with other optical components and coatings, it can maximize its role.
Optical Lenses By Shapes
Plano Concave Lenses
These lenses are thinner at the center than at the edges, designed to diverge light rays passing through them. They’re often used for beam expansion and light projection.
Plano Convex Lenses
These lenses are thicker at the center than at the edges and designed to converge or focus light in optical systems. They’re commonly used in telescopes, microscopes, and collimators.
Double Concave Lenses
These lenses, thinner at the center than at the edges on both sides, diverge incoming light. They’re typically used in beam expansion, and spreading light or images.
Double Convex Lenses
These lenses, thicker at the center than at the edges on both sides, converge incoming light. They’re popular in applications such as magnifiers, imaging systems, or laser collimation.
Meniscus Lenses
Meniscus lenses have one concave side and one convex side, designed to minimize spherical aberrations. They’re often used in eyewear, camera lenses, and binoculars.
Cylindrical Lenses
Cylindrical lenses have curvature along one axis, allowing them to focus light into a line instead of a point. They are frequently used in applications such as laser line generation.
Aspheric Lenses
Aspheric lenses deviate from a simple sphere shape to reduce aberrations and achieve better image quality. They’re used broadly in imaging applications, including camera and smartphone lenses.
Ball Lenses
These are a full sphere-shaped lens, perfect for improving signal coupling between fibers, emitters, and detectors. They’re primarily found in endoscopy, bar code scanning, and optical fiber communication systems.
Rod Lenses
These are cylindrical rod-shaped lenses that provide a focused line of light rather than a point. They’re suitable for laser scanners, holography, and optical data processing.
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Optical Lenses By Material
K9 Optical Lenses
These lenses are made from K9 glass, offering high transparency and high chemical resistance. They are primarily used in optical applications like imaging and optical detection.
Sapphire Lenses
Known for their exceptional durability and scratch resistance, these lenses are perfect for high-pressure, high-temperature applications. Sapphire lenses are often utilized in aerospace, defense, and medical systems.
UV Fused Silica Lenses
Made from ultraviolet grade fused silica, these lenses provide excellent transmission from the UV to the NIR. They are highly resistant to laser damage, making them ideal for UV laser applications.
CaF2 Lenses
These lenses, made from Calcium Fluoride, have exceptional transmission from UV through to the long wave infrared spectrum. They are mainly used in spectroscopy or laser applications.
BaF2 Lenses
Made from Barium Fluoride, these lenses are perfect for applications in the UV to the long wave IR spectrum. They are used widely in spectrophotometry
MgF2 Lenses
These are made from Magnesium Fluoride and are predominantly used in UV systems due to their excellent transmission properties.
LiF Lenses
Lithium Fluoride lenses have great transmittance in the VUV region and are highly resistant to thermal shock, making them great for deep UV systems.
Si Lenses
Silicon lenses have excellent infrared properties and are often used in thermal imaging and IR sensing.
ZnSe Lenses
Zinc Selenide lenses are mostly used in CO2 laser processing and IR applications due to their wide broadband transmittance.
ZnS Lenses
Used for Infrared applications, these lenses made from Zinc Sulfide offer great resistance to harsh environments.
Ge Lenses
Germanium lenses are highly refractive and often used in thermal imaging and FLIR systems.
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Optical Lenses By Usage
Magnifying Lenses
These lenses enlarge the appearance of objects, used in eyeglasses, magnifying glasses, and telescopes.
Laser Lenses
Specifically designed for focusing or collimating laser light, they are used in all optical systems involving lasers.
Focusing Lenses
Endoscope Lenses
Found in endoscopes, these lenses are used to provide critical imaging within the human body.
Collimator Lenses
They create parallel light rays from a diverged source, typically used in spectroscopy and lidar systems.
Molded Lenses
These lenses are mass-produced by molding glass or plastic, used in commercial applications such as camera lenses and lighting fixtures.
Achromatic Lenses
These lenses reduce chromatic aberration by bringing two wavelengths to focus on the same plane. They’re used in applications like microscopy and laser processing.
Fresnel Lenses
These are flat lenses with a complex design used to focus light, often found in lighthouses, traffic lights, and projector lenses.
Microlens Arrays
These contain multiple tiny lenses, to increase the resolution of an optical system.
Fly Eye Lenses
They mimic a fly’s eye, consisting of lots of little lenses, enlarging the field of view in cameras.
Fish Eye Lenses
These ultra wide-angle lenses produce a visual distortion intended to create a wide panoramic or hemispherical image.
Powell Lenses
Used to create an evenly illuminated line, rather than a focused spot of light – this makes them ideal for applications like bar code scanning.
Our Manufacturing Facility
Chineselens operates its own factory with a complete set of optical manufacturing equipment. Our head office provides global sales and engineering support.
Production equipment at our factory:
- CNC spherical grinders: 2 units
- Single-axis spherical fine grinders: 3 units
- High-speed spherical polishers: 3 units
- Double-side polisher: 1 unit
- Laser centering & edging machine: 1 unit
- Automatic ultrasonic cleaning line: 1 unit
- Laser interferometer (Zygo/4D primary): 1 unit
- Contact profilometer: 1 unit
- Centering error measuring instrument: 1 unit
- Spectrophotometer: 1 unit
- Vacuum optical coating chamber: 1 unit
- Monthly capacity: 30,000–80,000 lens elements (Φ5–80mm)
Every lens is inspected with laser interferometers, spectrophotometers, white-light interferometers, and CMMs. Quality documentation provided on request: coating T/R curves, interferogram data, surface roughness reports, and material certification.
Optical Materials
Optical Materials We Process
- N-BK7 / H-K9L
- UV Fused Silica (JGS1/2/3)
- SF-Series Flint (N-SF5/6HT/11)
- ED Crown (N-FK51A)
- CaF2, BaF2, MgF2
- Sapphire
- Silicon, ZnSe, ZnS, Germanium
6-Stage Manufacturing Process
Our 6-Stage Lens Manufacturing Process
- Material Selection & Blanking
- CNC Grinding & Spherical Generating
- Precision Polishing
- Centering & Edging
- Thin-Film Coating
- Metrology & QA
Custom OEM/ODM Services
Custom Lens Design & OEM/ODM Services
- Optical design — Engineering team optimizes for manufacturability
- Prototype to volume — Low-MOQ prototypes (from 5 pcs) to volume production (1k–10k+ units/month)
- 6-week volume production — Industry-competitive lead time
- IP protection — Strict NDA compliance, isolated production lines for confidential projects
- Full documentation — Zemax BlackBox files, STEP models, coating curves within 24 hours
Industries Served
Industries We Serve
- Industrial & Factory Automation
- Medical & Life Sciences
- Defense & Security
- Research & Quantum
- Consumer Electronics
- Aerospace
Optical Coating Capabilities
Coating Type | Specification | Application |
|---|---|---|
BBAR (broadband AR) | R_avg < 0.5%, 400–700 / 650–1050 / 900–1600 nm | General purpose |
V-coat (single wavelength) | R < 0.25%, 355/532/1064/1550 nm | Laser focusing |
High-reflection (HR) | R > 99.5%, dielectric stacks | Laser mirrors, cavities |
Dichroic | R/T ratio custom, 400–1600 nm | Beamsplitters, fluorescence |
ITO conductive | Sheet resistance 10–500 Ω/sq | Display, touch panel |
DLC protective | Hardness > 50 GPa | Harsh environment |
FAQ
H2: Frequently Asked Questions
Q1: What is your minimum order quantity for custom lenses?
A: Prototypes from 5 pcs. Volume production 1k–10k+ units/month at our factory.
Q2: How long does custom lens production take?
A: Standard specifications: 2–3 weeks for samples, 6 weeks for volume production. Complex aspheric or cemented designs: 4–6 weeks for prototype.
Q3: Do you provide optical design support?
A: Yes. Our engineering team provides free design-for-manufacturability feedback when you share your drawing or specification.
Q4: What quality documentation do you provide?
A: Coating T/R curves (every lot), interferogram data (for λ/10 and higher grades), surface roughness reports, material certification, LIDT test reports for laser-grade optics.
Q5: Can you match a specific focal length or surface accuracy tolerance?
A: We routinely hold focal length tolerance ±0.1%, surface accuracy λ/20, centration < 30 arcsec.
Q6: What files do you provide for custom lens projects?
A: Zemax BlackBox or Code V HLM files, STEP 3D models, 2D drawings in PDF/DWG, coating curves, and full dimensional inspection reports.
Latest Applications Used
Camera Lenses
The most important part of a camera is the lens because the quality of the lens directly affects the quality of the picture taken. It is also one of the most critical ways to divide cameras into different types. In general, you can divide cameras into three groups based on their lenses: professional, semi-professional, and regular. This can be done with both traditional film cameras and digital cameras. There are two main types of lenses: zoom lenses and lenses with a fixed focal length.
Night Vision Devices
Night vision devices are external night sight that operates without an infra-red searchlight to illuminate the target but use the light reflected from the target in low light to be enhanced to a visible image on a fluorescent screen by an image intensifier to observe and aim at the target.
Projector Lenses
Projection lenses are replaceable lenses used in professional projectors. Depending on the distance of the projector and the size of the screen to be played, they are classified as short focal length lenses, medium focal length lenses, long focal length lenses, and special scene lenses.
Laser Collimating Lenses
Laser collimating lenses are usually used when the angle of the laser light’s divergence needs to be reduced to make parallel light transmission possible. They have high transmittance and deficient absorption. Customers can get high-quality laser collimating lenses from us that have a high threshold for damage and are used in UV, visible, infrared, and other wavelengths.
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Ready to Start Your Custom Lens Project?
Send us your drawing, specification, or concept — our engineering team responds within 24 hours with feasibility feedback, lead time, and pricing.
Address
No. 12 East Yanhe Road, Yancheng City, Jiangsu Province, China
Call Us
+86-18005107299
Email Address
chineselens@foxmail.com
Email Address
sales@recovery.chineselens.com
+8618005107299
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