CeNing Optics | Custom Lenses Manufacturer
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Singlets

 
Double-Concave Lenses (UV Fused Silica)
 
Specifications
Material: UV Fused Silica
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
 
 
 
 
Item#
Material
Φ(mm)
F(mm)
R1(R2)(mm)
Tc(mm)
Te(mm)
Fb(mm)
LB12-12-20
Fused silica
12.7
-20.0
18.71
2.0
4.22
-20.67
LB12-12-30
Fused silica
12.7
-30.0
27.92
2.0
3.50
-30.7
LB12-12-40
Fused silica
12.7
-40.0
37.12
2.0
3.10
-40.7
LB12-12-50
Fused silica
12.7
-50.0
46.32
2.0
2.87
-50.7
LB12-25-50
Fused silica
25.4
-50.0
46.32
2.0
5.55
-50.7
LB12-25-75
Fused silica
25.4
-75.0
69.32
2.0
4.34
-75.7
LB12-25-100
Fused silica
25.4
-100.0
92.33
2.0
3.75
-100.7
LB12-25-150
Fused silica
25.4
-150.0
138.33
2.0
3.17
-150.7
LB12-25-200
Fused silica
25.4
-200.0
184.32
2.0
2.87
-200.7
LB12-25-250
Fused silica
25.4
-250.0
230.36
2.0
2.70
-250.7
 
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-concave
Diameter:   Φ25.4±0.1mm
Focal, Radius:   F=+100mm, R1(R2)=92.33mm
Thickness:   Tc=2.0±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 E-mail: sales@cn-optics.com
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