Double Concave Lens:
The double concave lens is thin in the middle and thick at the edges, consisting of twoconcave surfaces of equal curvature, with a negative focal length, for diverging parallelbeams. Commonly used for beam expansion of lenses, projection and expansion of thefocal length of optical systems
Product Description:
Optical Glass Lenses provide high-level optical performance with superior precision, accuracy and reliability. These lenses are designed to meet the demands of various applications and industries. Featuring focal lengths ranging from 2mm to 200mm, these lenses are available with a variety of coating options, including AR, AR+AR, AR+AR+AR, AR+AR+AR+AR, AR+AR+AR+AR+AR, and AR+AR+AR+AR+AR+AR. With a diameter of 2mm to 200mm and design irregularity of λ/4@632.8nm, these lenses are also finished with a 0.25mm×45° bevel. Whether you need optics for telescopes, microscopes, cameras or any other device, Optical Glass Lenses are the ideal choice for any of your glass lenses needs.
At the forefront of glass lenses optics, Optical Glass Lenses are the perfect choice for any application. Crafted with the highest-quality materials, Optical Glass Lenses are designed for superior performance and reliability. With the latest advancements in optical technology, these lenses provide superior clarity and accuracy for any application. Whether you need lenses for industrial, scientific or medical applications, Optical Glass Lenses are the ideal choice for your glass lenses optics.
Features:
- Optical Glass Lenses: Design Wavelength: 400-700nm, Design Dispersion: 0.50-0.60, Surface Quality: 60-40/ 40-20/ 20-10/ 10-5/ 5-2/ 2-1, Focal Length: 2mm-200mm, Shape: Round/ Square/ Rectangle/ Oval/ Polygonal
- Optical Lens Glasses: Design Wavelength: 400-700nm, Design Dispersion: 0.50-0.60, Surface Quality: 60-40/ 40-20/ 20-10/ 10-5/ 5-2/ 2-1, Focal Length: 2mm-200mm, Shape: Round/ Square/ Rectangle/ Oval/ Polygonal
- Glasses Optical Lens: Design Wavelength: 400-700nm, Design Dispersion: 0.50-0.60, Surface Quality: 60-40/ 40-20/ 20-10/ 10-5/ 5-2/ 2-1, Focal Length: 2mm-200mm, Shape: Round/ Square/ Rectangle/ Oval/ Polygonal
Technical Parameters:
| Specifications | Normal | High Precision | Mfg.Limit |
| Material : | H-K9L | H-K9L | H-K9L |
| Design Index: | 1.5168 | 1.5168 | 1.5168 |
| Diameter Tolerance | +0/-0.1mm | +0/-0.1mm | +0/-0.1mm |
| Thickness Tolerance : | +/-0.1mm | +/-0.1mm | +/-0.1mm |
| Focal Length Tolerance : | +/-2% | +/-2% | +/-2% |
| Centeration : | 3 arc min | 3 arc min | 3 arc min |
| Surface Quality: | 60-40 | 20-40 | 20-40 |
| Surface Figure: | 3 lambda | 2 lambda | 2 lambda |
| Surface lrregularity : | 1 lambda | 1/4 lambda | 1 /4lambda |
| Clear Aperture : | >80% | >90% | >95% |
| Bevel: | +/-0.2*45 degree | +/-0.2*45 degree | +/-0.2*45 degree |
Customization:
Custom Optical Glass Lenses
We offer custom Optical Glass Lenses with Design Dispersion of 0.50-0.60, Design Wavelength of 400-700nm, Diameter of 2mm-200mm, Coating of AR/ AR+AR/ AR+AR+AR/ AR+AR+AR+AR/ AR+AR+AR+AR+AR/ AR+AR+AR+AR+AR+AR and Bevel of 0.25mmx45°. Our Optical Lens Glasses are made with high quality Glass Optical Lenses that meet the highest standards of accuracy and performance.
Support and Services:
Optical Glass Lenses Technical Support and Services
At YuFeng, our Optical Glass Lenses are designed for precision and quality. We provide full technical support and services to ensure that your product is performing at its optimal level.
Technical Support
We offer support for all our Optical Glass Lenses. Our technical support team is available to answer any questions you may have about the installation, maintenance, and usage of our products. We provide detailed instructions and troubleshooting advice to help you get the most out of your product.
Product Warranty
All our Optical Glass Lenses are covered by a 1-year limited warranty. During the warranty period, if any product fails due to a manufacturing defect, we will replace it free of charge. We also offer extended warranties for an additional fee.
Customization Services
We offer customization services to ensure that your Optical Glass Lenses meet your exact specifications. Our engineers can design and create custom lenses that are tailored to your needs.
