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Plano-concave glass lenses are manufactured with one concave surface and one
plane surface. These lenses have negative focal lengths.
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Plano-concave lenses diverge incident light that is collimated.
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They form
virtual images which are seen through the lens.
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They are
often used to increase focal lengths in existing systems.
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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: |
PVP011
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Description: |
Plano-concave lens precision grade BK7 D= 25.4 EFL= -38.1
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Material: |
BK7
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EFL: |
-38.1
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Diameter: |
25.4
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Index: |
1.51872
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BFL: |
-39.40
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Tc: |
2
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Te: |
6.50
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Radius1: |
-19.763
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Radius2: |
Infinity
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Volume Price: |
$22.90 (MOQ Range Applies) Request Volume Quote |
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