Bi-convex lenses are used as magnifiers, objectives, condensing systems. Since both surfaces contribute to the power of biconvex lenses, they have shorter focal length than PCX lenses of equal diameter and surface radius.
Material : BK7 and others
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.