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Plano-concave glass lenses are manufactured with one concave surface and one plane surface. These lenses have negative focal lengths.

    • Plano-concave lenses diverge incident light that is collimated.
    • They form virtual images which are seen through the lens.
    • They are often used to increase focal lengths in existing systems.
    • Plano-concave elements have a Minimum Order Quantity (MOQ) ranging from 100 to 1,000 units.

General Specifications:

Parameter Value
Default unit mm
Material BK7
Diameter tolerance +0,-0.1mm
Focal length tolerance +/-1%
Center thickness tolerance +/-0.2mm
Centration 3 arc min
Surface quality 20-10
Flange width 0.2-0.4mm

PN: PVP003
Description: Plano-concave lens precision grade BK7 D= 25 EFL= -25
Material: BK7
EFL: -25
Diameter: 25
Index: 1.51872
BFL: -26.32
Tc: 2
Te: 11.52
Radius1: -12.968
Radius2: infinity
Volume Price: $22.80 (MOQ Range Applies) Request Volume Quote

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