Double-Convex Lenses

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Double-Convex Lenses

Double convex lenses are symmetrical therefore have equal radius on both sides.

Centration, arcmin	<3 arcmin
Clear Aperture, %	>90%
Coatings	Available on request
Design Wavelength, nm	632.8 nm
Diameter Tolerance, mm	+0.0/-0.1 mm
Focal Length Tolerance, %	±3 %
Protective chamfers	<0,25 mm x 45 deg
Surface Figure	<λ/4@632.8 nm
Surface Quality, S-D	40/20
Thickness Tolerance, mm	±0.1 mm

Description

Details

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.

Features

Converges incident light
Lower spherical aberrations than for Plano-Convex lenses
Ideal for Experimenting and Prototyping Applications

Applications

Properties (Diameter D, Focal length L)

D, mm	D, Inches	L Minimal, mm	L 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

Name	Diameter, mm	Edge Thickness, mm	Focal Length, mm	Material	ROC1, mm	ROC2, mm	Price	Quantity
1-BCX-1-A127	12.7	2	12	BK7	11.25	-11.25	US$36.40
1-BCX-1-A254	25.4	2	25	BK7	24.07	-24.07	US$41.60
1-BCX-1-B127	12.7	2	15	BK7	14.57	-14.57	US$36.40
1-BCX-1-B254	25.4	2	30	BK7	29.53	-29.53	US$41.60
1-BCX-1-C127	12.7	2	20	BK7	19.88	-19.88	US$36.40
1-BCX-1-C254	25.4	2	35	BK7	34.86	-34.86	US$41.60
1-BCX-1-D254	25.4	2	50	BK7	50.6	-50.6	US$39.00
1-BCX-2-A127	12.7	2	15	UVFS	12.81	-12.81	US$62.40
1-BCX-2-A254	25.4	2	30	UVFS	25.99	-25.99	US$75.40
1-BCX-2-B127	12.7	2	20	UVFS	17.56	-17.56	US$62.40
1-BCX-2-B254	25.4	2	40	UVFS	35.48	-35.48	US$75.40
1-BCX-2-C127	12.7	2	25	UVFS	22.23	-22.23	US$62.40
1-BCX-2-C254	25.4	2	50	UVFS	44.79	-44.79	US$75.40