Double Convex Lens
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Double Convex Lens

The double convex lens/double convex mirror is symmetrical across both its horizontal and vertical axis. Each of the lens's two faces can be thought of as originally being part of a sphere. The fact that a double convex lens/mirror is thicker across its middle is an indicator that it will converge rays of light that travel parallel to its principal axis. A double convex lens/mirror is a converging lens. A double concave lens/mirror is also symmetrical across both its horizontal and vertical axis. The two faces of a double concave lens can be thought of as originally being part of a sphere. The fact that a double concave lens is thinner across its middle is an indicator that it will diverge rays of light that travel parallel to its principal axis. A ddouble convex lenses/mirror is a diverging lens. These two types of lenses - a double convex and a double concave lens/mirror will be the only types of lenses that will be discussed in this unit of The Physics Classroom Tutorial.

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Description Of Double Convex Lens/Mirror

The fact that a custom convex lens is thinner across its middle is an indicator that it will diverge rays of light that travel parallel to its principal axis. A double concave lens is a diverging lens. These two types of lenses - a double convex and a double concave lens will be the only types of lenses that will be discussed in this unit of The Physics Classroom Tutorial.

Specifications Of Two Convex Lenses

Material

Optical glass/ Fused silica/ sapphire etc.

Diameter

2mm~300mm

Diameter tolerance

±0.05mm(≤50mm)

±0.1mm(＞50mm)

Focal length

50mm~2000mm

Focal length tolerance

±0.2%（＜10mm）

±0.5%（＜10mm-1000mm）

±1%（＜＞1000mm）

Center Thickness

2mm~20mm

Surface quality

60/40， 40/20， 20/10

Surface accuracy

λ/2~λ/10@632.8nm，532nm

Clear Aperture

>85% dig diameter

Centration

<3arc min~ 30arc sec</span>

Coating

As per customer's request

Material

Diameter
(mm)

Surface Radius 1
(mm)

Surface Radius 2
(mm)

Center Thickness
(mm)

Focal Length
(mm)

H-ZF7LA

5.4

12.19

3.4

2.63

3.5

ZF14

10

11.324

8.083

3.37

5.6

H-ZLAF68B

8

6.11

104.23

2.2

6.7

H-ZF7LA

10

10.49

10.49

3.5

7

ZF11

9

11.5

7.5

9.6

8

H-K9L

14

32.15

13.397

4.7

9

H-K9L

10

9.817

9.817

4.6

10.3

H-ZF62

14

28.64

12.972

6

10.4

H-LAK53A

11

27.589

10.5

3.1

10.4

JGS1

9.5

9.09

9.09

3.5

10.5

H-LAF3

14

10.56

30.62

5

11.1

H-K9L

11

11.695

11.695

4

12

H-K9L

12.5

12.1

12.1

4.5

12.5

ZF6

12

591.82

9.62

4

12.6

H-K9L

6.8

13.183

13.183

2

13.11

JGS1

11

7.34

26.52

6

13.5

H-LAK1

10

19.724

15.346

3.5

13.6

H-LAK3

14

28.31

14.997

5.5

13.8

ZF1

12

17.014

17.014

4.5

13.8

H-ZBAF21

8

12.039

55.72

2.32

13.9

H-LAK7

9

19

19

4

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