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A flat concave lens is machined from a flat surface and a concave sphere. They form a negative focal length. Plain concave lenses are often used in systems to expand the beam of light.
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Detail

A flat concave lens is machined from a flat surface and a concave sphere. They form a negative focal length. Plain concave lenses are often used in systems to expand the beam of light.


Plano concave lens specification or based on clients' requirements


1.Material

Domestic or foreign materials are selected based on clients' requests

2.Diameter tolerance

0/-0.01mm

3.Clear aperture

90%-100%

4.Tolerance of CT or ET

±0.02mm

5.Vector Tolerance

±0.015mm

6.Aperture Tolerance

±0.02mm

7.Surface Quality

US Military Standard 10-5,ISO Standard 3X0.063

8.Curvature Tolerance

±1.5入(ru)

9.Surface Flatness

/10@633nm

10.Centration

30 arc seconds

11.Focal Length

±1%

12.Edge Chip

0.1mm

13.Bevel

Based on clients' requests

14.Coating

Apply AR or reflecting coating or based on client requests


PCC:Plano concave











3 means Silica











產品(pin)編(bian)碼

外(wai)徑(mm)

有效焦距(mm)

后焦距(mm)

R1(mm)

R2(mm)

中心厚(mm)

邊緣厚(hou)(mm)

有效(xiao)孔徑(mm)

數值孔徑

F數(shu)

No.

Dia.(mm)

EFL(mm)

BFL(mm)

R1(mm)

R2(mm)

CT(mm)

ET(mm)

CA(mm)

NA

F#

PCC-3060-0008

6.0

-8.10

-6.64

-3.68

-

2.0

3.55

5.40

-3.90

-1.34

PCC-3060-0009

6.0

-9.10

-7.68

-4.15

-

2.0

3.28

5.40

-4.40

-1.51

PCC-3060-0010

6.0

-10.10

-8.71

-4.62

-

2.0

3.11

5.40

-4.90

-1.68

PCC-3080-0010

8.0

-10.10

-8.71

-4.62

-

2.0

4.31

7.20

-3.67

-1.26

PCC-3080-0015

8.0

-15.10

-13.65

-6.89

-

2.0

3.28

7.20

-5.48

-1.88

PCC-3080-0076

8.0

-76.40

-74.48

-35.00

-

2.7

2.93

7.20

-27.83

-9.54

PCC-3080-0110

8.0

-109.10

-107.04

-50.00

-

2.9

3.10

7.20

-39.76

-13.63

PCC-3080-1090

8.0

-1090.60

-1088.46

-500.00

-

3.0

3.02

7.20

-397.63

-136.31

PCC-3100-0055

10.0

-54.60

-52.47

-25.00

-

3.0

3.51

9.00

-15.91

-5.45

PCC-3100-0110

10.0

-109.10

-106.99

-50.00

-

3.0

3.25

9.00

-31.81

-10.91

PCC-3100-2180

10.0

-2181.10

-2178.97

-1000.00

-

3.0

3.01

9.00

-636.21

-218.10

PCC-3127-0030

12.7

-30.10

-28.64

-13.76

-

2.0

3.55

11.43

-6.89

-2.36

PCC-3127-0980

12.7

-980.60

-979.22

-449.60

-

2.0

2.04

11.43

-225.23

-77.21

PCC-3127-0500

12.7

-501.60

-500.20

-229.97

-

2.0

2.09

11.43

-115.20

-39.49

PCC-3127-1965

12.7

-1965.70

-1964.30

-901.26

-

2.0

2.02

11.43

-451.49

-154.78

PCC-3127-2940

12.7

-2940.70

-2939.30

-1348.30

-

2.0

2.01

11.43

-675.43

-231.55

PCC-3127-3935

12.7

-3935.90

-3934.51

-1804.60

-

2.0

2.01

11.43

-904.01

-309.91

PCC-3127-0020

12.7

-20.10

-18.69

-9.20

-

2.0

4.54

11.43

-4.61

-1.58

PCC-3127-0025

12.7

-25.10

-23.67

-11.48

-

2.0

3.92

11.43

-5.75

-1.97

PCC-3127-0030

12.7

-30.10

-28.64

-13.76

-

2.0

3.55

11.43

-6.89

-2.36

PCC-3127-0050

12.7

-50.20

-48.79

-23.00

-

2.0

2.89

11.43

-11.52

-3.95

PCC-3127-0075

12.7

-75.00

-73.57

-34.36

-

2.0

2.59

11.43

-17.21

-5.90

PCC-3127-0100

12.7

-99.70

-98.32

-45.71

-

2.0

2.44

11.43

-22.90

-7.85

PCC-3127-0150

12.7

-149.90

-148.49

-68.71

-

2.0

2.29

11.43

-34.42

-11.80

PCC-3127-0200

12.7

-199.90

-198.45

-91.62

-

2.0

2.22

11.43

-45.90

-15.73

PCC-3127-0300

12.7

-299.60

-298.15

-137.33

-

2.0

2.15

11.43

-68.80

-23.58

PCC-3127-0400

12.7

-400.00

-398.63

-183.40

-

2.0

2.11

11.43

-91.87

-31.50

PCC-3127-0500

12.7

-501.60

-500.20

-229.97

-

2.0

2.09

11.43

-115.20

-39.49

PCC-3254-0030

25.4

-30.20

-28.74

-13.80

-

2.0

10.39

22.86

-3.46

-1.19

PCC-3254-0050

25.4

-50.20

-48.79

-23.00

-

2.0

5.82

22.86

-5.76

-1.97

PCC-3254-0060

25.4

-60.30

-58.84

-27.61

-

2.0

5.09

22.86

-6.91

-2.37

PCC-3254-0075

25.4

-75.00

-73.57

-34.36

-

2.0

4.43

22.86

-8.61

-2.95

PCC-3254-0100

25.4

-100.50

-99.09

-46.06

-

2.0

3.79

22.86

-11.54

-3.96

PCC-3254-0125

25.4

-125.50

-124.06

-57.51

-

2.0

3.42

22.86

-14.40

-4.94

PCC-3254-0150

25.4

-150.10

-148.68

-68.80

-

2.0

3.18

22.86

-17.23

-5.91

PCC-3254-0200

25.4

-199.90

-198.45

-91.62

-

2.0

2.88

22.86

-22.95

-7.87

PCC-3254-0250

25.4

-249.60

-248.20

-114.43

-

2.0

2.71

22.86

-28.66

-9.83

PCC-3254-0300

25.4

-299.60

-298.15

-137.33

-

2.0

2.59

22.86

-34.40

-11.79

PCC-3254-0400

25.4

-399.20

-397.76

-183.00

-

2.0

2.44

22.86

-45.84

-15.71

PCC-3254-0500

25.4

-501.60

-500.20

-229.97

-

2.0

2.35

22.86

-57.60

-19.75

PCC-3254-0755

25.4

-753.80

-752.39

-345.60

-

2.0

2.23

22.86

-86.56

-29.68

PCC-3254-1000

25.4

-999.10

-997.65

-458.05

-

2.0

2.18

22.86

-114.73

-39.33