CeNing Optics
Professional manufacturer of optical components
Since 2004
Singlets

 

Double-Convex Lenses (N-BK7)
 
Specifications
Material: N-BK7
Diameter tolerance: +/-0.1mm
Design wavelength: 546.1nm
Focal tolerance: +/-2%
surface quality : 60-40 S/D
Centration: 3 arcmin
Surtace flatness: λ/4 @633nm
Clear aperture: 90%
Bevel: Protective bevel
 
 
 
 
ltem#
Material
Φ(mm)
F(mm)
R1(R2)(mm)
Tc(mm)
Te(mm)
Fb(mm)
LB01-12-25
BK7
12.7
25.0
25.35
3.62
2.0
23.82
LB01-12-30
BK7
12.7
30.0
30.55
3.33
2.0
28.89
LB01-12-40
BK7
12.7
40.0
41.02
2.99
2.0
39.04
LB01-12-50
BK7
12.7
50.0
5140
2.79
2.0
49.08
LB01-12-75
BK7
12.7
75.0
77.45
2.52
2.0
74.24
LB01-12-100
BK7
12.7
100.0
103.28
2.39
2.0
99.16
LB01-25-50
BK7
25.4
50.0
50.93
5.22
2.0
48.22
LB01-25-75
BK7
25.4
75.0
77.09
4.11
2.0
73.63
LB01-25-100
BK7
25.4
100.0
103.04
3.57
2.0
98.73
LB01-25-200
BK7
25.4
200.0
207.00
2.78
2.0
199.07
LB01-25-250
BK7
25.4
250.0
258.90
2.62
2.0
249.17
LB01-25-500
BK7
25.4
500.0
508.30
2.31
2.0
499.21
 
Choose Anti-reflective Coatings
 Single layer MgF2
 Multiple layers AR coating
     R<0.25% @ Laser line             (view the curve)
     R<0.5% @ Broadband Wavelength      (view the curve)
 
        How to order Singlet Lenses?              Example:
Material:   N-BK7
Shape:   Double-convex
Diameter:   Φ25.4±0.1mm
Focal, Radius:   F=+100mm
Thickness:   Tc=3.57±0.1mm
Surface quality:   60-40 S/D
Flatness:   λ/4 @633nm
Centration:   3'
Coating:   AR @430--680nm, R<0.5%, AOI=0°
 
   Price on Request
 
   Custom Design
 
   Volume Discount 
CeNing Optics Co.,Ltd, Tel: +86 591 8733 8232 Fax: +86 591 8733 4595 E-mail: sales@cn-optics.com
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