2783707458 单先生
photo peripheral part Location:Home > Products
Fresnel Lens
Product Name: Fresnel Lens

Surface of the lens is smooth, the other side burned ascending concentric circles. Fresnel lens is equivalent to infrared and visible light lens, better results. There are two effects: First, focus on the role; Second, will be divided into a number of bright and dark areas within the detection area, so that a moving object enters the detection area can be produced in the form of temperature change in the PIR (pyroelectric infrared sensor) on changes in pyroelectric infrared signal. Widely used in the human body sensor switch, alarms, infrared thermometers and infrared imaging.


Model

Focal length(mm)

Angle(degree)

Distance(m)

Dimention(mm)

Picture

2814

15

140

6

Φ28

菲涅尔透镜2814

7708-3

29.7

79.8

10

45x58

菲涅尔透镜7708-3

7709-1B

7.6

90

5

Φ20.7

菲涅尔透镜7709-1B

7709-2

5

89

5

Φ16.5

菲涅尔透镜7709-2

7803

20

89

7

25x39

菲涅尔透镜7803

8002-1

10.5

100

5

Φ23

菲涅尔透镜8002-1

8002-2

12

100

5

Φ23

菲涅尔透镜8002-2

8002-2B

12

100

5

Φ23

菲涅尔透镜8002-2B

8002-3

12

120

10

Φ24

菲涅尔透镜8002-3

8003-3

11.5

120

10

Φ26

菲涅尔透镜8003-3

8005

10.5

100

6

Φ22.7

菲涅尔透镜8005

8005-1

10.5

100

6

Φ25

菲涅尔透镜8005-1

8006

5

70

5

Φ9.5

菲涅尔透镜8006

8090

9

120

8

Φ17.8

菲涅尔透镜8090

8102-2

15

360

7

Φ49

菲涅尔透镜8102-2

8120

6

120

5

Φ12.7

菲涅尔透镜8120

8120-5

6

120

5

Φ12.7

菲涅尔透镜8120-5

8308-1

6

60

5

Φ11.5

菲涅尔透镜8308-1

8308-2

9.5

140

8

Φ12.6

菲涅尔透镜8308-2

8308-3

5

120

5

Φ11.8

菲涅尔透镜8308-3

8308-5

9

90

5

Φ10

菲涅尔透镜8308-5

8308-6

9

90

5

Φ11.5

菲涅尔透镜8308-6

8310

10.5

100

10

Φ24

菲涅尔透镜8310

8603-3

17.5

360

5

Φ45

菲涅尔透镜8603-3

8603-4

17.5

360

5

Φ45.6

菲涅尔透镜8603-4