ST-237 optical resin lenses-Table 6

This is a ceniscus lens which is used for camera lens. Its parameters are as follows:

Focal length f'=-9.88mm

Front intercept sf=10.68mm

No.

Name

Type

f¹

sf

sf¹

Do

OD(ф)

Center thickness

Edge thickness

Picture

ST-237

Lens

Ceniscus

-9.88

10.68

-9.57

5.3

10

0.7

0.99

ST-238

Lens

Ceniscus

-12.22

11.83

-13.09

5.8

10

0.7

1

ST-239

Objective lens of viewfinder

Double concave

-16.037

-17.1

-16.5

13×9

2.2

3.5

ST-240

Eyepiece of viewfinder

Plano-convex

32.448

-30.6

32.2

11.5×7.5

3

1

ST-241

Aspherical lens

Plano-convex

10.783

7.4

12

13.4

5

0.962

ST-242

Aspherical lens

Ceniscus

3.79

-3.87

2.47

4

1.9

0.61

ST-243

Aspherical lens

Ceniscus

8.087

-8.266

5.945

6.4

3

1.59

ST-244

Field lens

Double convex

19.152

-18.64

17.13

12

13

3.7

1.22

ST-245

Eyepiece 3

Plano-convex

43.273

-39.787

43.273

23.5

24.5

5.2

1.32

ST-246

Eyepiece 4

Double convex

35.566

-33.097

34.041

23.5

24.5

5.8

1.257

ST-247

Compensating lens

Double concave

-14.134

14.764

-14.301

8

9

1.2

2.73

ST-248

Negative lens

Double concave

-35.51

36

-35.69

9.5

10.5

1

1.821

ST-249

Compensating lens

Plano-concave

-28.575

29.246

-28.575

9

10

1

1.92

ST-250

Field lens

Double convex

21.5

-19.473

20.556

13

15.5

4.3

1.2

ST-251

Compensating lens

Plano-concave

-16.155

16.825

-16.155

8

10

1

2.77

ST-252

Field lens

Double convex

18.215

-15.593

17.306

13.5

15.5

5.07

1.2

ST-253

Compensating lens

Double concave

-9.815

10.277

-10.015

9

10

1

3.89

ST-254

Field lens

Double convex

16.42

-13.615

15.251

14.5

15.5

5.63

1.2

ST-255

Lens

Plano-convex

15.5

-15.5

12.751

12

13

4.1

0.46

ST-256

Objective lens of viewfinder

Plano-concave

-40.081

41.087

-40.081

17×11.3

1.5

3

ST-257

Eyepiece of viewfinder

Plano-convex

60.009

-60.009

58.266

16.8×11.3

2.6

1.5

ST-258

Eyepiece 3

Double convex

26.478

-24.62

25.088

16

17

4.7

1.87

ST-259

Aspherical lens

Ceniscus

ST-260

Double aspherical lens

Double convex

3.86

-2.95

2.32

4.2

7.3

3.1

1.75

ST-261

Lens

Double convex

12.5

-12.387

10.93

6

8

2.5

1.68

ST-262

Condenser lens

Double convex

16.774

-14.387

14.008

17

18

7.1

1.1

ST-263

Projection lens

Ceniscus

22.568

-23.267

20.038

12

14

2.9

1.2

ST-264

Lens

Double convex

9.636

-7.98

9.206

5

9

2

2.5

ST-265

Lens

Ceniscus

13.179

-11.522

13.541

5

9

2

1.19

ST-266

Double aspherical lens

Double convex

14.02849

-9.82

9.36265

21.8×18

11.15

2.68

ST-267

red dot and yellow coating thick lens

Ceniscus

-

-

-

33.8×23.8

2.5

2.5

ST-268

Eyepiece

Plano-convex

33.36

-30.67

33.36

17

18.5

4

1.14

ST-269

Objective lens

Double convex

36.46

-35.95

35.95

2.7

10

1.5

0.8

ST-270

The second lens

Double convex

7.97

-6.97

7.59

5

9

2

2.1

ST-271

The third lens

Double convex

4.587

3.548

-3.548

5

6

2.75

1.4

ST-272

Aspherical infared focusing lens

Plano-convex

90.98

-90.98

85.92

35

37

7.5

2.95

ST-273

Objective lens

Plano-convex

175.49

-175.49

173.15

29.5

35

3.5

1.5

ST-274

Double aspherical lens

Double convex

5014

-4.02

3.41

6

8.6

3.8

/

ST-275

6514-01 lens

Double convex

52.41

-51.63

48.78

28

30

6.5

1.83

ST-276

Lens

Ceniscus

-6.21

7.48

-6.13

8

10

1.76

3.1

ST-277

Lens

Double convex

13.09

-11.933

11.933

10.6

11.7

3.3

0.9

ST-278

Plane plate（Texture）

Plane

/

/

/

/

29

2.5

2.5

ST-278A

Plane plate（Frosted）

Plane

/

/

/

/

29

2.5

2.5

ST-279

Double aspherical lens

ST-280

Double aspherical lens

ST-281

Double aspherical lens

ST-282

Lens