Double-Convex Lenses

Double-Convex Lenses

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Material BK7, FS, UVFS, CaF2, ZnSe, Si, Ge
Diameter tolerance +0.0/-0.1 mm
Thickness tolerance ±0.1 mm
Clear Aperture >90%
Focal Length Tolerance ±3 %
Design wavelength 632.8 nm
Surface Quality 40/20 S/D
Surface figure <λ/[email protected] nm
Centration error <3 arcmin
Protective chamfers <0,25 mm x 45 deg
Coatings uncoated
Price list
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Attention! You can customise this product to your needs.
Biconvex lenses are used as magnifiers, objectives, condensing systems. Since both surfaces contribute to the power of biconvex lenses, they have shorter focal length than PCX lenses of equal diameter and surface radius. Under customer request anti-reflection or other types of coatings can applied.
varna Converges incident light
varna Lower spherical aberrations than for Plano-Convex lenses
varna Ideal for Experimenting and Prototyping Applications

Properties (Diameter D, Focal length L)

D, mmD, InchesL Minimal, mmL Maximal, mm
12,7 0.5 12 10.000
25,4 1 25 10.000
38,1 1.5 40 10.000
50,8 2 50 10.000
76,2 3 75 10.000

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Items per page page
Material Diameter, mm Edge Thickness, mm Focal length, mm ROC1, mm ROC2, mm Delivery Product ID Price Action
BK7 12.7 2.0 +12 11.25 -11.25 1-3 days 1-BCX-1-A127 28 €
BK7 25.4 2.0 +25 24.07 -24.07 2-4 weeks 1-BCX-1-A254 32 €
BK7 12.7 2.0 +15 14.57 -14.57 2-4 weeks 1-BCX-1-B127 28 €
BK7 25.4 2.0 +30 29.53 -29.53 2-4 weeks 1-BCX-1-B254 32 €
BK7 12.7 2.0 +20 19.88 -19.88 2-4 weeks 1-BCX-1-C127 28 €
BK7 25.4 2.0 +35 34.86 -34.86 2-4 weeks 1-BCX-1-C254 32 €
BK7 25.4 2.0 +50 50.6 -50.6 2-4 weeks 1-BCX-1-D254 30 €
UVFS 12.7 2.0 +15 12.81 -12.81 2-4 weeks 1-BCX-2-A127 48 €
UVFS 25.4 2.0 +30 25.99 -25.99 2-4 weeks 1-BCX-2-A254 58 €
UVFS 12.7 2.0 +20 17.56 -17.56 2-4 weeks 1-BCX-2-B127 48 €
UVFS 25.4 2.0 +40 35.48 -35.48 1-3 days 1-BCX-2-B254 58 €
UVFS 12.7 2.0 +25 22.23 -22.23 2-4 weeks 1-BCX-2-C127 48 €
UVFS 25.4 2.0 +50 44.79 -44.79 2-4 weeks 1-BCX-2-C254 58 €

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You can customise this product to your needs. If you do not find suitable specifications for your application please contact us for custom solution.

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