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Bi-Convex  Lens

Text Box: Specification :
Design Wavelength : 587 nm        Clear Aperture : ≥85%

Diameter	Surface		Diameter	Centering		               Quality		Tolerance	Tolerance
5 – 25		60 – 40		±0.10		± 5 arc min
25 – 40		60 – 40		±0.10		± 5 arc min
40 – 75		60 – 40		±0.10		± 5 arc min

Convex lenses are thicker at the middle. Rays of light that pass through the lens are brought closer together .  Biconvex lenses are widely used for moderate quality imaging and also for condensing. Our standard products given below.

Note: Special material and size are available upon request. AR coating  available on request.

Dia (mm)

Refractive Index

Center Thickness

EFL

BFL

6

1.5168

2.2

18.0

17.2629

6

1.5168

2.6

24.0

23.1309

9

1.5168

2.60

18.0

17.1254

9

1.5168

2.7

27.0

26.0948

10

1.5168

2.50

25.0

24.1618

10

1.5168

2.50

30.0

29.1643

12

1.5168

3.48

18.0

16.8138

12

1.5168

4.00

24.0

22.6431

15

1.5168

3.5

25.0

23.8183

15

1.5168

4.0

30.0

28.6511

20

1.5168

5.30

30.0

28.1988

20

1.5168

5.30

40.0

38.2130

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Nirmal Optronics

Plot # 26,27/Flat A2 - "Shree Enclave",
Car Nagar,
Behind Reliance Fresh on MPM St.
Subramani Nagar Main Road, Perambur
City: Chennai
State: Tamil Nadu
Country: India
Fax No: +91-44-25581282
Phone No: +91-44-25581282
Mobile No: +919003039922

 

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