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<title><![CDATA[EC21 Product Catalogs - zns]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/zns--271308/1/zns.html]]></link><item>
<title><![CDATA[OEM High Precision Fused Quartz, Crown Glass, Crystals Optical Prism for Infrared]]></title><link><![CDATA[https://leadir.en.ec21.com/OEM-High-Precision-Fused-Quartz--11956358_11956336.html]]></link><description><![CDATA[ZnS), Barium fluoride (BaF2), magnesium fluoride (MgF2), chalcogenide glass and other infrared materials.
Surface accuracy: PV better than λ/10, RMS better than λ/70.
Aperture range: Φ5mm～Φ200m]]></description><pubDate><![CDATA[20240624]]></pubDate></item>
<item>
<title><![CDATA[Optical BK7 Cylindrical Lenses]]></title><link><![CDATA[https://ruikeoptics000.en.ec21.com/Optical-BK7-Cylindrical-Lenses--11732883_11874179.html]]></link><description><![CDATA[ZnS
Dia.0.35-700mm
Dia.Tol.+0.00/-0.01mm
Surface Quality:10-5
Surface Irregulatiry:λ/10 632.8nm or customer
design
Thickness tolerance:+0/-0.02mm
Clear Aperture&gt;90% of diameter
Centeration&lt; 10 arcse]]></description><pubDate><![CDATA[20231209]]></pubDate></item>

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