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

  • These lenses diverge collimated incident light.
  • They form virtual images which are seen through the lens.
  • They are often used to expand light or to increase focal lengths in existing systems.

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
click for more info		 Description EFL Diameter BFL Tc Te Radius Sample Price (1-99) Volume Price
PVP002 Plano-concave lens precision grade BK7 D= 5 EFL= -10 -10 5 -11.32 2 2.64 -5.187 $14.25
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PVP004 Plano-concave lens precision grade BK7 D= 8 EFL= -15 -15 8 -16.32 2 3.11 -7.781 $14.25
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PVP001 Plano-concave lens precision grade BK7 D= 10 EFL= -20 -20 10 -21.32 2 3.28 -10.374 $14.25
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PVP029 Plano-concave lens precision grade BK7 D= 15 EFL= -75 -75 15 -76.32 2 2.73 -38.904 $15.75
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PVP015 Plano-concave lens precision grade BK7 D= 20 EFL= -50 -50 20 -51.32 2 4.01 -25.936 $17.25
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PVP007 Plano-concave lens precision grade BK7 D= 20 EFL= -30 -30 20 -31.32 2 5.64 -15.562 $17.25
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PVP057 Plano-concave lens precision grade BK7 D= 22.4 EFL= -150 -150 22.4 -151.32 2 2.81 -77.808 $17.25
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PVP042 Plano-concave lens precision grade BK7 D= 25 EFL= -100 -100 25 -101.32 2 3.53 -51.872 $17.25
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PVP018 Plano-concave lens precision grade BK7 D= 25 EFL= -50 -50 25 -51.32 2 5.21 -25.936 $17.25
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PVP003 Plano-concave lens precision grade BK7 D= 25 EFL= -25 -25 25 -26.32 2 11.52 -12.968 $17.25
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PVP011 Plano-concave lens precision grade BK7 D= 25.4 EFL= -38.1 -38.1 25.4 -39.40 2 6.50 -19.763 $17.25
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PVP062 Plano-concave lens precision grade BK7 D= 30 EFL= -200 -200 30 -201.32 2 3.09 -103.744 $22.25
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PVP049 Plano-concave lens precision grade BK7 D= 30 EFL= -125 -125 30 -126.32 2 3.76 -64.840 $22.25
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PVP019 Plano-concave lens precision grade BK7 D= 30 EFL= -50 -50 30 -51.32 2 6.78 -25.936 $22.25
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PVP066 Plano-concave lens precision grade BK7 D= 50 EFL= -600 -600 50 -601.32 2 3.01 -311.232 $30
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