CHANGCHUN BENA OPTICAL PRODUCTS CO., LTD.
CHANGCHUN BENA OPTICAL PRODUCTS CO., LTD.
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The plano-convex lens is an optical element primarily used to converge parallel light. It is commonly employed in imaging, beam collimation, focusing collimation, and point source collimation applications. One side of the plano-convex lens is convex, and the plane side has a positive focal length. It is typically used in scenarios such as beam reduction, focal length reduction, or image magnification.

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Features of Plano Convex Lens

  • The characteristic of a plano-convex lens is that one side is flat while the other side is convex. This design allows the lens to focus parallel light rays into a single point, known as the focal point of the lens. Plano-convex lenses have a positive focal length and are typically used for aiming and focusing monochromatic light sources or converting divergent point sources into parallel light. To minimize spherical aberration, the light beam should ideally enter through the curved surface.


Features of Plano Convex Lens


Features of Plano Convex Laser Lens


  • Plano-convex lenses have a wide range of applications in optical systems. For instance, in fields such as laser collimation and optical imaging, plano-convex lenses are often used to correct spherical aberration and improve spot quality. Additionally, they are employed in specific applications like barcode scanning and aiming systems, where they effectively converge parallel light or collimate light beams.


Specifications of Plano Convex Lens

Specifications

Commercial spec.

High precision spec.

Material

UV glass (quartz, fused silica)

VIS glass (Schott, CDGM, HOYA, etc.)

Diameter

Ø5mm~Ø600mm

Diameter tolerance

±0.1mm

±0.05mm

Focal length tolerance

±2%

±1%

Surface quality

60/40

40/20

Centration

< 3 arc min

<1arc min

Surface figure

Surface irregularity

1/4λ

1/10λ

Clear aperture

>85% of dia

>90% of dia

Bevel

<0.2mm x 45deg

<0.1mm x 45deg

Coating

Up on clients’ request


Plano Convex Lens Products List

Type No.

Diameter
φD( mm)

Focal length
f( mm)

Edge thickness
Te( mm)

Center thickness
Tc( mm)

Back focal length
fb( mm)

Radius of curvature
r( mm)

BK7-5-10

5

10

1.3

2.0

8.7

5.19

BK7-5-15

5

15

1.2

1.6

13.9

7.79

BK7-5-20

5

20

1.1

1.4

19.1

10.38

BK7-5-30

5

30

1.1

1.3

29.1

15.57

BK7-6-10

6

10

1.0

2.0

8.7

5.19

BK7-6-15

6

15

1.0

1.6

13.9

7.79

BK7-6-25

6

25

1.0

1.4

24.1

12.98

BK7-7-10

7

10

2.0

3.4

7.8

5.19

BK7-7-12

7

12

1.9

3.0

10.1

6.23

BK7-8-10

8

10

1.5

3.4

7.8

5.19

BK7-8-12

8

12

1.5

3.0

10.1

6.23

BK7-8-15

8

15

1.5

2.6

13.3

7.79

BK7-8-20

8

20

1.5

2.1

18.5

10.38

BK7-8-25

8

25

1.5

21

23.6

1298

BK7-8-30

8

30

1.5

2.0

28.7

1557

BK7-10-15

10

15

2.0

3.8

12.5

7.79

BK7-10-20

10

20

2.0

3.3

17.8

10.38

BK7-10-30

10

30

2.0

2.8

28.1

15.57

BK7-10-100

10

100

2.0

2.2

98.5

51.90

BK7-12.7-20

12.7

20

2.0

4.2

17.2

10.38

BK7-12.7-30

12.7

30

2.0

3.4

27.8

15.57

BK7-12.7-50

12.7

50

2.0

2.8

48.2

25.95

BK7-12.7-100

12.7

100

2.0

2.4

98.5

51.90

BK7-15-20

15

20

2.0

5.2

16.6

10.38

BK7-15-30

15

30

20

3.9

27.4

15.57

BK7-15-40

15

40

2.0

3.4

37.8

20.76

BK7-20-25

20

25

2.0

6.7

20.6

12.98

BK7-20-40

20

40

2.0

4.6

37.0

20.76

BK7-20-50

20

50

2.0

4.0

47.4

25.95

BK7-20-60

20

60

2.0

3.6

57.6

31.14

BK7-20-80

20

80

2.0

3.2

77.9

41.52

BK7-20-100

20

100

2.0

3.0

98.0

51.90

BK7-20-120

20

120

2.0

2.8

118.2

62.28

BK7-20-150

20

150

20

2.6

148.3

77.85

BK7-25-30

25

30

2.0

8.3

24.5

15.57

BK7-25-60

25

60

2.0

4.6

57.0

31.14

BK7-25-100

25

100

2.0

3.5

97.7

51.90

BK7-25.4-30

25.4

30

1.7

8.3

24.5

1557

BK7-25.4-50

25.4

50

1.9

5.2

46.6

25.95

BK7-25.4-50

25.4

60

1.9

4.6

57.0

31.14

BK7-25.4-80

25.4

80

1.9

3.9

77.4

4152

BK7-25.4-100

25.4

100

1.9

3.5

97.7

51.90

BK7-25.4-150

25.4

150

2.0

3.0

148.0

77.85

BK7-25.4-1000

25.4

1000

2.0

22

998.5

519.00

BK7-30-50

30

50

2.0

6.8

45.5

25.95

BK7-30-60

30

60

2.0

5.9

56.1

31.14

BK7-30-100

30

100

2.0

4.2

97.2

51.90

BK7-30-200

30

200

2.0

3.1

198.0

103.80

BK7-40-60

40

60

2.0

11.4

42.5

31.14

BK7-40-70

40

70

4.0

8.0

54.7

50.55

BK7-40-50

40

80

2.0

7.1

75.3

41.52

BK7-40-100

40

100

2.0

6.0

96.0

51.90

BK7-50-70

50

70

3.0

13.0

61.5

36.33

BK7-50-30

50

90

3.0

10.3

83.2

46.71

BK7-50-100

50

100

3.0

9.4

93.8

51.90

BK7-50-120

50

120

3.0

8.2

114.6

62.28

BK7-50-150

50

150

3.0

7.1

145.3

77.85

BK7-50-200

50

200

3.0

6.1

196.0

103.80

BK7-50-300

50

300

3.0

5.0

296.7

155.70

BK7-50-400

50

400

3.0

4.5

397.0

207.60

BK7-50-500

50

500

3.0

4.2

497.2

5259.50

BK7-50-800

50

800

3.0

3.8

797.4

415.20

BK7-50-1000

50

1000

3.0

3.6

997.6

519.00

BK7-60-70

60

70

3.0

18.8

57.6

36.33

BK7-60-80

60

80

3.0

15.8

69.6

41.52

BK7-60-90

60

90

3.0

13.9

80.8

46.71

BK7-60-100

60

100

3.0

12.5

91.7

51.90

BK7-60-200

60

200

3.0

7.4

195.1

103.80

BK7-80-100

80

100

3.0

21.8

85.5

51.90

BK7-80-150

80

150

3.0

14.1

140.8

77.85

BK7-80-200

80

200

3.0

11.0

192.7

103.80

BK7-80-300

80

300

3.0

8.2

294.6

155.70

BK7-80-500

80

500

3.0

6.1

496.0

259.50

BK7-100-150

100

150

3.0

21.2

136.1

77.85

BK7-100-200

100

200

3.0

15.8

189.6

103.80

BK7-100-300

100

300

3.0

11.2

292.6

155.70

BK7-100-350

100

350

3.0

10.0

343.4

181.65

BK7-100-400

100

400

3.0

9.1

394.4

207.60

BK7-100-500

100

500

3.0

7.9

494.8

259.50

BK7-100-600

100

600

3.0

7.0

595.4

311.40

BK7-100-700

100

700

3.0

6.5

695.7

363.30

BK7-100-800

100

800

3.0

6.0

796.0

415.20

BK7-100-1000

100

1000

3.0

5.4

996.4

519.00


Type No.

Diameter
φD( mm)

Focal length
f( mm)

Edge thickness
Te( mm)

Center thickness
Tc( mm)

Back focal length
fb( mm)

Radius of curvature
r( mm)

JGS1-10-15

10

15

2.0

4.1

12.2

6.9

JGS1-10-25

10

25

2.0

3.1

22.8

115

JGS1-15-25

15

25

2.0

4.8

21.7

115

JGS1-15-30

15

30

2.0

4.2

27.1

13.8

JGS1-25-30

25

30

20

10

23.2

13.8

JGS1-25-50

25

50

2.0

5.7

45.1

230

JGS1-25-100

25

250

2.0

3.7

97.4

46.0

JGS1-25-150

25

150

2.0

3.1

147.8

69.0

JGS1-25-200

25

200

2.0

29

198.0

92

JGS1-25-300

25

300

2.0

25

298.3

138.0

JGS1-25.4-30

25.4

30

1.6

10.0

23.2

13.8

JGS1-25.4-50

25.4

50

1.9

5.7

46.1

23.0

JGS1-25.4-80

25.4

80

1.9

4.2

77.1

36.8

JGS1-25.4-100

25.4

100

1.9

3.7

97.5

460

JGS1-25.4-150

25.4

150

1.9

3.1

147.9

69.0

JGS1-25.4-200

25.4

200

1.9

2.9

198.0

920

JGS1-25.4-250

25.4

100

1.9

2.7

248.2

115.0

JGS1-25.4-300

25.4

300

1.9

25

298.3

138.0

JGS1-25.4-400

25.4

400

1.9

23

398.4

184.0

JGS1-25.4-500

25.4

500

1.9

23

458.0

230.0

JGS1-25.4-1000

25.4

1000

1.9

2.1

998.6

460.0

JGS1-50-400

50

400

3.0

4.7

396.8

184.0

JGS1-50.8-60

50.8

60

3.0

19.8

46.4

27.5

JGS1-50.8-75

50.8

75

3.0

14.2

65.3

34.4

JGS1-50.8-100

50.8

100

3.0

10.7

92.6

45.8

JGS1-50.8-125

50.8

125

3.0

8.8

118.9

57.5

JGS1-50.8-150

50.8

150

3.0

7.8

144.6

687

JGS1-50.8-200

50.8

200

3.0

6.6

195.4

917

JGS1-50.8-250

50.8

250

3.0

5.8

246.0

114.6

JGS1-50.8-300

50.8

300

3.0

5.4

296.3

137.5

JGS1-50.8-450

50.8

450

3.0

4.5.

445.9

207

JGS1-50.8-500

50.8

500

3.0

4.4

456.9

229.2

JGS1-50.8-750

50.8

750

3.0

3.9

747.3

343.8

JGS1-50.8-1000

50.8

1000

3.0

3.7

997.4

458.5


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