Lenses

Our Complete range of products are Achromatic Lens, Plano Convex Lens, Wide Angle Lens, Crystal Window Lens and Cylindrical Lens.

Achromatic Lens

Min. Order (MOQ) 5 Piece(s)

Achromatic Lens is an achromatic consists of a positive low-index Crown Glass lens element cemented to a negative high-index Flint Glass lens element. China Star Optics can provide Positive Achromatic Lens and Negative Achromatic Lens by two piece single lens (Doublets) or three piece single lens (Triplet).Specification of our achromatic lens as follow:*Material:BK7, ZF2, ZF7(or according to your request)*Dia.:+0/-0.05*Center thickness tolerance:+/-0.1*Surface quality: 60-40 Scrath/Dig*Surface figure:0.5-0.2*Centration < 3arc min*Chamfer:0.1-0.25*45 degrees*Design wavelength:486.1mm, 587.6mm, 656.3mm(the parameter is dimension of normal lens, so specification will be changed according to different dimension and material)

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Plano Convex Lens

Min. Order (MOQ) 5 Piece(s)

*Material:Bk7, fused silica, CaF2, MgF2, BaF2, ZnSe infrared optical crystals.*Focallength:+/-1%*Lengthtolerance:+0.0 - -0.1mm*Widthtolerance:+0.0 - -0.1mm*Centerthicknesstolerance:+/-0.1mm*SurfaceFigure:lambda/2 at 633nm on plano side*Surfacequality:60-40stratch/dig*ClearApenture>90%*Chamfer:0.25mm at 45 degree typical*Coating:optional

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Wide Angle Lens

Min. Order (MOQ) 1 Set(s)

We offer wide angle lens, camera lens.Specification of our telephoto lens as follow: *25mm, 27mm, 28mm, 30mm, 30.5mm, 34mm, 37mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 72mm 2.0X telephoto lens;*37mm 2.5X and 3.0X telephoto lens;*52mm 3.0X telephoto lens;

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Crystal Window Lens

Min. Order (MOQ) 1 Piece(s)

germanium(Ge) windows specifications1transmission range500nm-12um2applicationsIR imaging rear laser reflectors filter substrates and FLIRS3diameter1mm-250mmthickness0.5mm-20mm4surface quality40/20scratch and dig5surface accuracy:1/8N 6parallelism: 3 second

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Cylindrical Lens

Min. Order (MOQ) 5 Piece(s)

*Material BK7 or other optical materials *Dimension Tolerance +0.0-0.1mm *Center Thickness +/-0.1mm *Focal Length Tolerance+/-1%*Surface Quality:20/10 *Surface Figure /2 at 633nm on plano side *Clear Aperture >90%*Chamfer 0.25mm at 45 degree typical *Coating Optional

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Bi-convex Spherical Lens

*Material: BK7, fused silica, MgF2, BaF2, CaF2, ZnSe, ZnS, Ge or other optical crystals*Dimension Tolerance +0.0 -- -0.1mm *Center Thickness +/-0.1mm *Focal Length Tolerance+/-1%*Surface Quality:60/40 *Surface Figure: lambda/2 at 633nm on plano side *Clear Aperture >90%*Chamfer 0.25mm at 45 degree typical *Coating Optional

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