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Your present location:HomeProductOptical ComponentsLenses > GCL-010301 BK7 Plano-Concave Lenses
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  • Part number: GCL-010301 BK7 Plano-Concave Lenses
  • Release date: 2017-05-18
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GCL-0103 BK7 Plano-Concave Lenses

 

A plano-concave lens diverges parallel input rays. It has a negative focal length. While the output rays do not actually meet to form a point, they do appear to be diverging from a virtual image located on the object side of the lens. At absolute conjugate ratio greater than 5:1 and less than 1:5, plano-concave lenses are nearly the best form lens to reduce spherical aberration, coma, and distortion. The curved surface of the lens should face the object in distance or infinite conjugate, except in a high energy laser system, this should be reversed to eliminate the possibility of a virtual focus.

GCL-0103 BK7 Plano-Concave Lenses

Part No

Ø

f'

fb

Tc

Te

GCL-010301

6.0

-9.8

-10.5

1.0

1.98

GCL-010327

10.0

-15.0

-16.0

1.5

3.3

GCL-010326

10.0

-20.0

-21.2

1.5

2.8

GCL-010325

10.0

-30.0

-31.0

1.5

2.3

GCL-010302

12.7

-19.0

-20.3

2.0

4.3

GCL-010303

12.7

-25.4

-26.7

2.0

3.6

GCL-010304

12.7

-38.1

-39.4

2.0

3.1

GCL-010324

20.0

-30.0

-31.6

2.5

6.2

GCL-010323

20.0

-50.0

-51.6

2.5

4.5

GCL-010322

20.0

-60.0

-61.6

2.5

4.2

GCL-010321

20.0

-80.0

-81.6

2.5

3.7

GCL-010328

25.4

-30.0

-31.98

3.0

9.61

GCL-010329

25.4

-40.0

-41.98

3.0

7.36

GCL-010305

25.4

-50.8

-52.8

3.0

6.3

GCL-010306

25.4

-75.0

-77.0

3.0

5.1

GCL-010307

25.4

-100.0

-102.0

3.0

4.6

GCL-010308

25.4

-150.0

-152.0

3.0

4.1

GCL-010330

25.4

-200.0

-201.98

3.0

3.78

GCL-010320

30.0

-60.0

-62.0

3.0

6.9

GCL-010319

30.0

-120.0

-121.9

3.0

4.8

GCL-010318

30.0

-150.0

-152.1

3.0

4.5

GCL-010309

38.1

-125.0

-127.0

3.0

5.9

GCL-010310

38.1

-200.0

-202.1

3.0

4.8

GCL-010311

38.1

-300.0

-301.9

3.0

4.2

GCL-010317

40.0

-100.0

-102.3

3.5

7.5

GCL-010316

40.0

-200.0

-202.2

3.5

5.5

GCL-010315

40.0

-400.0

-402.4

3.5

4.5

GCL-010312

50.8

-250.0

-252.6

4.0

6.5

GCL-010313

50.8

-400.0

-402.6

4.0

5.6

GCL-010314

50.8

-500.0

-502.5

4.0

5.3

GCL-010328

25.4

-30.0

-31.98

3.0

9.61

GCL-010329

25.4

-40.0

-41.98

3.0

7.36

GCL-010330

25.4

-200.0

-201.98

3.0

3.78

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