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Lens
Published time:
2025-07-22
Lens：
Material：H-K9/N-BK7、Fused silica/7980、N-SF11、N-ZK9、H-LAK10、H-ZLaF53 etc.
●Specification：Φ3mm~Φ10mm、Φ10~Φ20mm、Φ20~Φ50mm、Φ50~Φ100mm etc.
●Wavelenth:266nm;355nm;532nm;635nm;808nm;1064nm1310nm;1490nm;1550nm;2000nm etc.
●Flatness：λ/2、λ/4、λ/8 irregularity
●Centration：≤3′
●Surface quality(S/D)：10/5、20/10、40/20、60/40
Customized processing can be carried out according to requirements
Lens: A Versatile Optical Product
Lenses are essential optical components with a wide range of applications.
In the field of photography, lenses are the key to capturing stunning images. They come in different focal lengths, such as wide - angle lenses that can cover a broad scene, ideal for landscape photography. Telephoto lenses, on the other hand, are great for zooming in on distant subjects like wildlife or sports events. Prime lenses offer high - quality optics with a fixed focal length, often providing sharper images and better low - light performance.
In the world of eyeglasses, lenses play a crucial role in correcting vision problems. For those with nearsightedness, concave lenses help to focus light properly on the retina. For farsighted individuals, convex lenses are used. There are also progressive lenses which offer a seamless transition between different focal powers, convenient for those who need both distance and near - vision correction.
Lenses are also vital in microscopes and telescopes. Microscope lenses magnify tiny objects, enabling scientists to study cells and microorganisms. Telescope lenses, whether refracting or reflecting types, collect and focus light from distant celestial objects, allowing astronomers to observe stars, galaxies, and planets in detail.
High - quality lenses are typically made from materials like glass or plastic. Glass lenses often offer excellent optical clarity and durability, while plastic lenses are lighter and more impact - resistant. Coatings may be applied to lenses to reduce glare, improve light transmission, and protect against scratches.
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