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Plano Convex Lenses > BK7 Precision Plano Convex Lens

Introduction

Plano convex lenses are used in many applications including telescopes collimators magnifiers radiometers optical transceivers and condensers. These lenses have a plane and a convex surface. Positive focal lengths are used to converge incident light.
 
 

Standard Specifications

  
 

Items

Specifications

Material

BK7 Grade A or equivalent Optical Glass

Designed Wavelength

546.1 nm

Designed Index

1.5183 ±0.0005

Dimension Tolerance

+0.0/-0.2 mm

Thickness Tolerance

± 0.2 mm

Paraxial Focal Length

± 1%

Clear Aperture

> 90%

Centration

3 arc minutes

Flatness

λ/4 at 632.8 nm

Surface Quality

scratch and dig 20-10

Bevel

0.5 (0/-0.3) mm

Notes:

1. Material, besides BK7, fused silica and any other materials are available.

2. Centration such as 1’, 30” is available.

3. Please show us the size and the coating specification.

  
   

 

Part NO.

f(mm)

ф (mm)

tc(mm)

te(mm)

fb(mm)

LPX2101

10.0

5.0

2.6

2.0

8.3

LPX2102

15.0

10.0

3.8

2.0

12.5

LPX2103

20.0

10.0

3.3

2.0

17.8

LPX2104

25.0

15.0

4.4

2.0

22.1

LPX2105

30.0

15.0

3.9

2.0

27.4

LPX2106

40.0

20.0

4.5

1.9

37.0

LPX2107

50.0

25.0

5.2

2.0

46.6

LPX2108

75.0

30.0

5.0

2.0

71.7

LPX2109

100.0

40.0

6.0

2.0

95.4

 

 

  

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