Bi-Convex, Bi-Concave lenses

Bi-Concave Cylindrical Lenses 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 ...

Come From Jilin Tianhua Opto-electrical Technology Development Co., Ltd.

Bi-Convex Cylindrical Lenses Material: BK7 or other optical materials Center Thickness:±0.2mm ~ ±0.03mm Focal Length Tolerance±2% ~ ±0.5% Surface Quality:60/40 ~ 10/5 Surface Figure:λ/2 /632.8nm ~ λ/20 /632.8nm Centration:5arcmin~1arcmin Clear Aperture: 80%~90% Chamfer: ...

Come From Jilin Tianhua Opto-electrical Technology Development Co., Ltd.

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 ...

Come From Jilin Tianhua Opto-electrical Technology Development Co., Ltd.

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% ~ ...

Come From Jilin Tianhua Opto-electrical Technology Development Co., Ltd.

Used for reducing the size of speading out light, with two inward curving symmetrical faces. ...

Come From Ajax Scientific Ltd