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Product Catalog 2016

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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/4 @ 632.8 nm
Centration error <3 arcmin
Protective chamfers <0.25 mm x 45°
Coatings Available on request
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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1
Items per page page
Diameter, mm Edge Thickness, mm Focal length, mm Material ROC1, mm ROC2, mm Delivery Product ID Price Action
12.7 2.0 +15 BK7 14.57 -14.57 Request 1-BCX-1-B127 31 $
12.7 2.0 +20 BK7 19.88 -19.88 Request 1-BCX-1-C127 31 $
25.4 2.0 +50 BK7 50.6 -50.6 Request 1-BCX-1-D254 33 $
25.4 2.0 +25 BK7 24.07 -24.07 Request 1-BCX-1-A254 35 $
25.4 2.0 +30 BK7 29.53 -29.53 Request 1-BCX-1-B254 35 $
25.4 2.0 +35 BK7 34.86 -34.86 Request 1-BCX-1-C254 35 $
12.7 2.0 +15 UVFS 12.81 -12.81 Request 1-BCX-2-A127 54 $
12.7 2.0 +20 UVFS 17.56 -17.56 Request 1-BCX-2-B127 54 $
12.7 2.0 +25 UVFS 22.23 -22.23 Request 1-BCX-2-C127 54 $
25.4 2.0 +30 UVFS 25.99 -25.99 Request 1-BCX-2-A254 64 $
25.4 2.0 +50 UVFS 44.79 -44.79 Request 1-BCX-2-C254 64 $
25.4 2.0 +40 UVFS 35.48 -35.48 Request 1-BCX-2-B254 64 $
12.7 2.0 +12 BK7 11.25 -11.25 From stock 1-BCX-1-A127 31 $

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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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Choose from 29 Double-Convex Lenses