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<title><![CDATA[EC21 Product Catalogs - lambda 2]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/lambda_2--271303/1/lambda 2.html]]></link><item>
<title><![CDATA[Aspheric Cylindrical Lens]]></title><link><![CDATA[https://ruiqioptics.en.ec21.com/Aspheric_Cylindrical_Lens--11974301_12019798.html]]></link><description><![CDATA[2,Silicon, Germanium,Znse, ZnS optical glass as choice
size
5-300mm
Dimension Tolerance
+0/-0.1mm
Focal Length Tolerance
+/-1%
Surface Quality
60/40-10/5 as request 
Surface Flateness
lambda/4-lambda]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[OEM Sapphire Glass Window Infrared Substrate Ar Coating]]></title><link><![CDATA[https://xinxingliangoptics12.en.ec21.com/OEM_Sapphire_Glass_Window_Infrared--11974281_11974291.html]]></link><description><![CDATA[design
Thickness:0.05mm to 100mm
Surface Quality:40-20 or customer design 
Surface Flatness:1/2lambda or customer design
Clear Aperture:&gt;90% of Diameter
Coating:AR,BBAR,HR,MGF2,AL,Sliver,Golden
]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Bi Concave Lens]]></title><link><![CDATA[https://jiffoptics.en.ec21.com/Bi_Concave_Lens--5677474_5734760.html]]></link><description><![CDATA[lambda;/4 at 632.8nm ãSurface Quality :40/20 ãCentration :&lt;3&apos; ãClear Aperture :&gt;90% ãBevelling :&lt;0.2&amp;times;45&amp;deg; ãCoating :Uncoated, AR, HR, PR Coating, etc. 
We could offe]]></description><pubDate><![CDATA[20110816]]></pubDate></item>
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<title><![CDATA[Plano Convex or Concave Square Laser Cylindrical Lens Cylinder Lens]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/Plano_Convex_or_Concave_Square--11489283_11489291.html]]></link><description><![CDATA[2, Sapphire etc.Length
2 ~300mmCentration&lt;3 arc minHeight
2 ~300mmClear Aperture&gt;90%Radius
&gt; 1.5mmFlatness
(per 25mm at 632.8nm)
&lt;1.5Lambda (General), &lt;1/4Lambda (High Precision)Center Thickness
&gt; 0.]]></description><pubDate><![CDATA[20240201]]></pubDate></item>
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<title><![CDATA[Optical Crystal CAF2 Lens CAF2 Window]]></title><link><![CDATA[https://ruikeoptics000.en.ec21.com/Optical_Crystal_CAF2_Lens_CAF2--11732883_11874182.html]]></link><description><![CDATA[2 MgF2
Sapphire Germanium Silicon ZnSe ZnS.
Diameter:0.5-600mm
Dia Tolerance:+/-0.02mm
Thickness Tolerance:+/-0.01mm
Centeration&lt;30 arcmin
Flatness&lt;1/20 lambda
Surface Quality:10-5
Coating: AR BBAR H]]></description><pubDate><![CDATA[20231209]]></pubDate></item>
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<title><![CDATA[BK7 K9 Sapphire Corning 7980 JGS1 CAF2,ZnSe,Si,Ge Optical  Doublet Achromatic Lenses with AR Coating]]></title><link><![CDATA[https://kelly258.en.ec21.com/BK7_K9_Sapphire_Corning_7980--10746701_10746715.html]]></link><description><![CDATA[lambda to 1/10 lambda
Thickness Tolerance 
+0.00/-0.05mm
Focal Length Tolerance
+/-1%
Centration
&lt;1arcmin
Coating 
Single Mag2, Multiple Layers AR Coating
A:350-650nm
B:650-1050nm
C:1050-1585nm
sales]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[Optical Cylindrical Lens for Lighting and Imaging]]></title><link><![CDATA[https://june20210728.en.ec21.com/Optical_Cylindrical_Lens_for_Lighting--11547959_11548007.html]]></link><description><![CDATA[Product Description
Capacity: 
Diameter: 0.5 to 350 mmDiameter Tolerance: +0/-0.02 mmThickness Tolerance: ±0.01 mmSurface Quality: 10-5Surface Figure: λ/10Centration: 1 minute or 30 SecondCoating: ]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[2024 Free Sample/Inquiry for Drawings 3m-5A Mc 500mm F/8 Mto Mirror-Meniscus Soviet Lens Multilayer]]></title><link><![CDATA[https://oplens68.en.ec21.com/2024_Free_Sample_Inquiry_for--11609135_11837393.html]]></link><description><![CDATA[2,ZnSe,ZnS,Ge,MgF2 And SiDiameterCustomer&apos;s requestCenter thicknessCustomer&apos;s requestEdge thicknessCustomer&apos;s requestCurvatureCustomer&apos;s requestWavelength Range (nm)350-16000Flatness1/4 lambdaS/D60/4]]></description><pubDate><![CDATA[20230823]]></pubDate></item>

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