Bi-Convex_Lens.jpg

Bi-Convex Lens

Bi-convex lenses have a positive focal length. Our catalog bi-convex lenses have an identical curvature on both sides of the lens and are therefore symmetric. At unit conjugation, coma and distortion cancel out due to the symmetry. They can be used to focus incoming light.

Diameter Dia. Tolerance CT Tolerance Centering Irregularity Surface Quality Bevel
3.00-6.00 +0.00 / -0.10 ±0.1 < 3 minutes 0.5 Waves 40-20 0.25 x 45°
6.00-25.00 +0.00 / -0.10 ±0.1 < 3 minutes 0.5 Waves 40-20 0.25 x 45°
25.01 - 50.00 +0.00 / -0.10 ±0.1 < 3 minutes 0.5 Waves 60-40 0.50 x 45°
50.01-100.00 +0.00 / -0.10 ±0.1 < 3 minutes 0.5 Waves 60-40 0.50 x 45°
100.01-150.00 +0.05 / -0.10 ±0.2 3 - 5 arc min. 1Waves 80-50 1.00 x 45°
Dimensions MM
Clear Aperture CA >= 90% of Diameter
Coating Uncoated, Specify your coating (See Coating Chart for Available Options)
Design Wavelength 587.6nm
Focal Length Tolerance ±2%
Edge Thickness Reference
* All dimensions are in mm

Viewing 1 to 30 (284 Total)
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Part Number
Diameter
Effective Focal Length
Back Focal Length
Center Thickness
Edge Thickness
L-BCX000
6.0000
6.0000
5.2300
2.54
1.3000
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L-BCX001
6.0000
8.0000
6.8900
3.20
2.0000
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L-BCX002
6.0000
9.0000
8.2300
2.25
1.2000
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L-BCX003
6.3500
6.4000
4.4800
4.96
3.0000
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L-BCX004
6.0000
9.7000
9.0200
2.0000
1.1000
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L-BCX005
6.0000
12.0000
11.1800
2.4000
1.6000
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L-BCX006
6.0000
15.0000
14.4300
1.70
1.1000
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L-BCX007
7.5000
15.0000
14.0700
2.90
2.0000
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L-BCX008
6.0000
18.0000
17.2600
2.20
1.7000
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L-BCX009
6.0000
24.0000
23.1300
2.60
2.2000
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L-BCX010
10.0000
10.0000
8.3000
4.80
2.0000
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L-BCX011
10.0000
18.0000
16.8500
3.50
2.1000
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L-BCX012
12.0000
18.0000
16.8300
3.50
1.4000
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L-BCX013
12.5000
14.2000
12.4900
5.00
2.0000
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L-BCX014
12.7000
28.6000
27.5600
3.40
2.0000
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L-BCX015
12.7000
50.2000
48.9300
3.79
3.0000
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L-BCX016
14.5000
15.0000
12.9600
5.90
2.0000
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L-BCX017
6.0000
30.0000
29.2300
2.30
2.0000
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L-BCX018
6.3000
12.7000
11.7900
2.8000
2.0000
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L-BCX019
15.0000
20.0000
18.3900
4.90
2.0000
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L-BCX020
6.3500
12.7000
11.3700
3.82
3.0000
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L-BCX021
6.3500
19.0000
17.8000
3.5300
3.0000
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L-BCX022
20.0000
31.0000
29.3100
5.30
2.0000
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L-BCX023
19.5000
35.0000
33.5400
4.7000
2.0000
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L-BCX024
22.4000
50.0000
48.6800
4.50
2.0000
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L-BCX025
25.0000
50.0000
48.4700
5.10
2.0000
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L-BCX026
6.3500
25.4000
24.2500
3.39
3.0000
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L-BCX027
6.4000
16.0000
15.6300
1.1000
0.5000
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L-BCX028
6.4000
26.0000
25.5000
1.0000
0.6000
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L-BCX029
6.5000
10.5000
9.8200
2.0000
1.0000
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