Plano-Concave Spherical Lenses
Description
Plano-Concave Lenses are the best choice where object and image are at absolute conjugate ratios greater than 5:1 and less than 1:5 to reduce spherical.Plano-Concave lenses bend parallel input rays so they diverge from one another on the output side of the lens and hence have a negative focal length.The spherical aberration of the Plano-Concave lenses is negative and can be used to balance aberrations created by other lenses. Similar to the Plano-Convex lenses,the curvature surface should face the largest object distance or the infinite conjugate (except when used with high-energy lasers where this should be reversed to eliminate the possibility of a virtual focus) to minimize spherical aberration.
Plano-Concave Spherical Lenses
Specifications |
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|---|---|
| Material: | BK7 |
| Diameter: | -- mm |
| Focal Length: | -- mm |
| Edge Thickness, Te: | -- mm |
| Lens Type: | Plano-Concave |
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Frequently Asked Questions
Yes, AR coating is available upon request.
Plano-Concave Spherical Lenses are used to reduce spherical aberration in optical systems where object and image are at absolute conjugate ratios greater than 5:1 and less than 1:5.
Plano-Concave Spherical Lenses have a negative focal length.
The surface quality of Plano-Concave Spherical Lenses ranges from 60-40 to 10-5.
Plano-Concave Spherical Lenses can be made of BK7, fused silica, Si, Ge, CaF2, or other optical glass and crystal.