Bi-concave lenses
Product Quick Detail
- Place Of Origin
- changchun
- Packaging
- safety carton package
- Delivery
- 15 Days
Specifications
Bi-concave lenses with both curved sides have negative focal length, and are used for image reduction and to spread light.
Material: BK7 , Silica andothers
Focal length tolerance:±2% ~ ±0.5%
Diameter tolerance:±0.2mm ~ ±0.05mm
Center Thickness:±0.2mm ~ ±0.03mm
Surface quality:60/40 ~ 10/5
Surface accuracy:λ/4@633nm
Centration: 3'~1'
Bevelling:< 0.25mm x 45°
We will also do according to the specifications such as size, structure, material, surface treatment and so on that the customers required. We supply them with good quality and low price. Please contact us to know details. Besides, there are a large volume of optical components in various shapes and sizes in stock to facilitate quick deliveries.
- Country: China (Mainland)
- Business Type:
- Market:
- Founded Year:2004
- Address:吉林省长春市高新开发区火炬路286 号
- Contact:Kate Qin
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