plano-concave-model.jpg

Plano-Concave Lens

These lenses have one flat surface and one concave surface. They have a negative focal length and are used to diverge incoming light, or to increase focal length in an existing optical system. They can be used in beam expanders and projection systems.

Diameter Dia. Tolerance CT Tolerance Centering Irregularity Surface Quality Bevel
5.00-25.00 +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°
Dimensions MM
Clear Aperture CA >= 90% of Diameter
Flat Annulus Dia < 50 mm - Flat = 0.25 +0/-0.20
Dia > 50 mm - Flat = 0.50 +0/-0.40
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 (116 Total)
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Part Number
Diameter
Effective Focal Length
Back Focal Length
Center Thickness
Edge Thickness
L-PCC000
6.3500
-12.5000
-14.1500
2.50
3.3000
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L-PCC001
10.0000
-20.0000
-21.3900
2.00
3.3000
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L-PCC002
12.5000
-50.0000
-51.1600
1.50
2.3000
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L-PCC003
8.0000
-15.0000
-16.3700
2.00
3.1000
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L-PCC004
20.0000
-30.0000
-31.4300
2.00
5.6000
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L-PCC005
6.3500
-25.0000
-26.6500
2.50
2.9000
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L-PCC006
5.0000
-10.0000
-11.3600
2.00
2.6000
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L-PCC007
21.0000
-40.0000
-41.4700
2.0000
4.9000
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L-PCC008
8.0000
-29.0000
-30.4000
1.6000
2.1000
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L-PCC009
12.5000
-15.0000
-16.0400
1.50
4.7000
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L-PCC010
22.4000
-100.0000
-101.6900
2.0000
3.2000
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L-PCC011
12.5000
-20.0000
-21.0600
1.50
3.6000
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L-PCC012
12.5000
-25.0000
-26.0700
1.50
3.1000
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L-PCC013
25.0000
-25.0000
-26.4000
2.00
11.5000
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L-PCC015
12.5000
-30.0000
-31.0900
1.50
2.8000
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L-PCC016
25.4000
-100.0000
-101.6500
2.50
4.1000
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L-PCC017
12.5000
-35.0000
-36.1100
1.50
2.6000
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L-PCC018
12.5000
-40.0000
-41.1200
1.50
2.5000
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L-PCC019
25.4000
-50.0000
-51.6500
2.50
5.8000
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L-PCC020
12.5000
-60.0000
-61.1900
1.5000
2.1000
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L-PCC021
12.5000
-75.0000
-76.2400
1.50
2.0000
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L-PCC022
12.5000
-100.0000
-101.3200
1.50
1.9000
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L-PCC023
12.5000
-125.0000
-126.4100
1.50
1.8000
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L-PCC024
12.5000
-200.0000
-201.6600
1.50
1.7000
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L-PCC025
25.4000
-25.0000
-26.6500
2.50
13.1000
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L-PCC026
12.7000
-50.0000
-51.6500
2.50
3.3000
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L-PCC027
12.7000
-75.0000
-76.6500
2.50
3.0000
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L-PCC028
12.7000
-100.0000
-101.6500
2.50
2.9000
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L-PCC029
38.1000
-250.0000
-251.6500
2.50
3.9000
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L-PCC030
18.0000
-25.0000
-26.0700
1.5000
5.1000
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