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Knight Optical(UK) Ltd - sales@knightoptical.co.uk - +44 (0)1622 859444

BK7 cylindrical lenses

What are you looking for in Stock?

As the name suggests cylindrical lenses have surfaces which are sections of a cylinder rather than the normal sphere normally used.  Cylindrical lenses (cylinder lenses) are often used to change the profile of laser beams, for example to correct for astigmatism and ellipticity in diode lasers or to generate lines form single mode lasers, as in laser line generators.

This range is our visible grade type manufactured from BK7 or equivalent and is available in various forms. Planoconvex cylindrical lenses and planoconcave cylindrical lenses are available in either diameter or rectangular shaped apertures. We also offer a range of mounting options for seamless integration into your optical system.

Knight Optical's  stock lenses are available uncoated or AR coated for visible-NIR applications. Stock uncoated cylindrical lenses can be custom AR coated to suite your specific application.

We can also offer custom cylindrical lenses in a range of optical glasses to meet your requirements or alternatively edge stock lenses or resize rectangles for a quick turnaround, please enquire.

Please note we are also able to supply custom Fused silica Cylindrical lenses for UV applications, including AR coated for 248-400nm.

Material: BK7 or equivalent
Size tolerances (Length & width): +0.0 / -0.25mm
Diameter: +0.0 / -0.15mm
Focal length (@587nm): ± 2%
Centration: 0.25mm (F.L < 50mm) 5mrad (F.L > 50mm)
Wedge: 5mrad (along axis)
Edge thickness: 1.5mm average
Surface quality: <60-40 scratch/dig

Cylindrical lenses wiith suffix "AV2" are coated on both faces with:
multilayer antireflective coating <0.5%@450-900nm


  • Mounting options on diameters and rectangular types.
  • Special AR coatings on uncoated lenses.
  • Cutting to special sizes.
  • Stock lenses can be edged to smaller diameters

Cylindrical lenses wiith suffix "AV2" are coated on both faces with:
multilayer antireflective coating <0.5%@450-900nm

Stock Optics

Get a Custom Quote

Part No. CoatingFormFocal length
Back FL
LCC10025 UncoatedPlanoconvex1009825N-BK7 or equivalent £22.45
LCC10025-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex1009825N-BK7 or equivalent £34.45
LCC12525 UncoatedPlanoconvex125025N-BK7 or equivalent £22.45
LCC12525-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex125025N-BK7 or equivalent £34.45
LCC15025 UncoatedPlanoconvex150025N-BK7 or equivalent £22.45
LCC15025-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex150025N-BK7 or equivalent £34.45
LCC4025 UncoatedPlanoconvex4036.325N-BK7 or equivalent £22.45
LCC4025-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex4036.325N-BK7 or equivalent £34.45
LCC5025 UncoatedPlanoconvex5025N-BK7 or equivalent £22.45
LCC5025-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex50025N-BK7 or equivalent £34.45
LCC6025 UncoatedPlanoconvex60025N-BK7 or equivalent £22.45
LCC6025-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex60025N-BK7 or equivalent £34.45
LCC7525 UncoatedPlanoconvex75025N-BK7 or equivalent £22.45
LCC7525-AV2 AR coated (Ext.Vis 450-900nm)Planoconvex75025N-BK7 or equivalent £34.45
LCC1250 UncoatedPlanoconcave12.55025N-BK7 or equivalent £34.45
LCC2550 UncoatedPlanoconcave25.05025N-BK7 or equivalent £34.45
LCC5050 UncoatedPlanoconvex50.05025N-BK7 or equivalent £34.45
LCC7550 UncoatedPlanoconvex75.05025N-BK7 or equivalent £34.45
LCC10050 UncoatedPlanoconvex100.05025N-BK7 or equivalent5.0 £34.45

Get a Custom Quote

Get in touch

Our Multi-Lingual Sales Team are here to help with your requirments:

UK +44 (0)1622 859444
UK +44 (0)1622 850614
UK +44 (0)1622 851078
+1 401 583 7846

International Shipping

We are able to ship to most countries at good rates, please click here for more info.

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