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Planoconvex lenses have one plane and one convex surface and have a positive focal length. Planoconvex lenses are typically used for focusing or collecting light in optical systems. Plano-convex lenses are normally made of a medium index crown glass such as BK7 or equivalent or BaK4 or equivalent however for lower spherical aberrations lenses high index glass is used typically SF11 or equivalent. Planoconvex lenses form a moderate quality image close to the axis but usually the chromatic aberration is serious. They are generally used as elements within a more complex lens system or optical instrument in imaging systems, lasers and detectors.

Knight Optical stock planoconvex lenses are available from 2.5mm dia up to 100mm dia in a full range of focal lengths to meet most applications.  Please also note these stock planoconvex lenses are available uncoated or AR coated for visible applications through to NIR applications. We aare able to supply alternative coatings including AR coated for telecoms IR applications on request. 

We can offer custom planoconvex lenses to meet your requirements or alternatively edge stock lenses for a quick turnaround, please enquire.

Material:
Diameter:
Centring Accuracy:
Focal Length:
Centre Thickness:
Surface Quality:
Coating:

BK7 or equivalent, SF11 or equivalent(for lower spherical aberrations)
+0/-0.10mm (≤65mm) +0/-0.15mm (>65mm)
<5 arc min
± 0.2% (<10mm) ± 2.0% (10-1000mm) ± 5.0% (>1000mm)
± 0.2mm
<40-20 scratch dig
UV synthetic fused silica Lenses with suffix "AU1" are coated on both faces with:
multilayer antireflective coating @248-400nm

Mounting into lens cells.
Edging down to smaller diameters.
Uncoated lenses can have custom coatings applied.
Convenient lens sets.

UV synthetic fused silica Lenses with suffix "AU1" are coated on both faces with:
multilayer antireflective coating @248-400nm

25 Items

Name Focal Length (mm) Diameter (mm) Back Focal Length (mm) Centre Thickness (mm) Material Coating Edge Thickness (mm) Price Buy
LPV0504 5.0 4.0 N-BK7 or equivalent Uncoated
$26.34
LPV0304 5.4 4.0 Bak4 or Equivalent Uncoated
$19.39
LPV0806 8.0 6.0 N-BK7 or equivalent Uncoated
$19.39
LPV0806-AV2 8.0 6.0 N-BK7 or equivalent AR coated (Ext.Vis 450-900nm)
$36.07
LPV1006 10.0 6.0 N-BK7 or equivalent Uncoated
$19.39
LPV1512 15.0 12.5 N-BK7 or equivalent Uncoated
$19.39
LPV2016 20 16 16.5 5.3 N-BK7 Uncoated 1.5
$22.17
LPV2512 25.0 12.5 N-BK7 or equivalent Uncoated
$19.39
LPV2525 25.0 25.0 N-SF11 or equivalent Uncoated
$32.73
LPV2525-AV2 25.0 25.0 N-SF11 or equivalent AR coated (Ext.Vis 450-900nm)
$29.12
LPV4012 40.0 12.5 N-BK7 or equivalent Uncoated
$19.39
LPV4025 40.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV5007-AV2 50.0 7.1 N-BK7 or equivalent AR coated (Ext.Vis 450-900nm)
$23.56
LPV5010 50.0 10.0 N-BK7 or equivalent Uncoated
$19.39
LPV5010-AV2 50.0 10.0 N-BK7 or equivalent AR coated (Ext.Vis 450-900nm)
$26.34
LPV5025 50.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV0138 60 38 N-BK7 or equivalent Uncoated
$25.30
LPV8040 80 40 N-K5 Uncoated
$34.54
LPV10025 100.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV12525 125.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV15025 150.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV0260 150 60 N-BK7 or equivalent Uncoated
$26.34
LPV20025 200.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV25025 250.0 25.0 N-BK7 or equivalent Uncoated
$22.17
LPV50025 500.0 25.0 N-BK7 or equivalent Uncoated
$22.17

25 Items

1

BK7 Planoconvex Lenses

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