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Spherical Best Form Bi-Convex Lenses (B-BB, UF-BB)
Graph / Diagram

 

Specifications

 

Diameter Tolerance:

+0/-0.005

Thickness Tolerance:

±0.010”

Parallelism:

< 3 arc sec.

Clear Aperture:

> 85% of diameter

Focal Length Tolerance

± 0.5 %

Surface Figure:

l/10 at 632.8nm

Surface Quality:

10-5 scratch-dig

 
 
 
 
 
 
 
 
 
 
 
 
Minimum focal spot from singlet design
 

Part No.

Material

Diameter

Focal Length (mm)

Thickness (mm)

248nm

532nm

1064nm

ET

CT

B-BB-12.7-25

BK7

0.50”

 

24.4

25.0

2.3

4.0

B-BB-12.7-38

BK7

0.50”

 

39.2

39.5

3.0

4.0

B-BB-25.4-50

BK7

1.00”

 

50.2

51.5

0.8

4.0

B-BB-25.4-100

BK7

1.00”

 

100.8

103.3

2.4

4.0

B-BB-25.4-200

BK7

1.00”

 

198.4

203.4

3.2

4.0

UF-BB-12.7-25

UV Fused Silica

0.50”

25.1

27.5

28.2

2.3

4.0

UF-BB-12.7-38

UV Fused Silica

0.50”

38.6

43.1

44.2

3.0

4.0

UF-BB-25.4-50

UV Fused Silica

1.00”

51.9

56.6

58.0

0.8

4.0

UF-BB-25.4-100

UV Fused Silica

1.00”

104.5

113.6

116.4

2.4

4.0

UF-BB-25.4-200

UV Fused Silica

1.00”

205.9

223.6

229.1

3.2

4.0