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<title><![CDATA[EC21 Product Catalogs - bk7 glass lens]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/bk7 glass lens.html]]></link><item>
<title><![CDATA[Optical Glass Dome Lens BK7 K9 Fused Silica Dome Lens with AR Coating]]></title><link><![CDATA[https://kelly258.en.ec21.com/Optical_Glass_Dome_Lens_BK7--10746709_10844505.html]]></link><description><![CDATA[Optical Glass Dome Lens AR Coating
Size:2mm to 500mm
Material:bk7 k9 fused silica,sapphire,znse.Corning 7980 JGS1
Surface Quality:40-20 
Tolerance:+/-0.05mm
sales（at）sunday-optics.com www.sunday-]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[BK7 Optical Glass Customized Coating Aspheric Laser Lens for Night Imaging]]></title><link><![CDATA[https://shyannie.en.ec21.com/BK7_Optical_Glass_Customized_Coating--11866430_11871027.html]]></link><description><![CDATA[lenses, i.e., lenses incorporating such curves. 
Aspherical workshop equipped with German-made Satisloh grinding and polishing machines, U.S Single Point Diamond Turning lathe, self-developed aspheri]]></description><pubDate><![CDATA[20231128]]></pubDate></item>
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<title><![CDATA[Fused Silica Round Plano-Convex Cylindrical Lenses, BK7 Rod Lenses]]></title><link><![CDATA[https://xinxingliangoptics12.en.ec21.com/Fused_Silica_Round_Plano_Convex--11974068_11974096.html]]></link><description><![CDATA[Lenses include convex cylindrical lens, concave cylindrical lens, meniscus cylindrical lens, and doublet achromatic cylindrical lens ect. Choose from N-BK7 glass, UV fused silica, or CaF2, all of whi]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Plano Concave Lenses]]></title><link><![CDATA[https://syccooptics.en.ec21.com/Plano_Concave_Lenses--11952878_11952885.html]]></link><description><![CDATA[Lens Specifications:
Material:
BK7, Fused Silica, SF10, CaF2, Sapphire .etc.
Paraxial Focal Length Tolerance:
±2%
Dimension Tolerance:
±0.2(General). ±0.05(High Precision)
Centration:
&lt;3 arc min
I]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
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<title><![CDATA[Ball Lenses]]></title><link><![CDATA[https://jtoptic.en.ec21.com/Ball_Lenses--11940832_11940836.html]]></link><description><![CDATA[BK7, Sapphire, Fused Silica
lDiameter
1.0～50mm
lDiameter Tolerance
+/-0.05mm
lSphericity
0.05mm
lSurface Quality
40-20
The Application of Ball Lens
Ball lenses are great optical components for impr]]></description><pubDate><![CDATA[20240522]]></pubDate></item>
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<title><![CDATA[Achromatic Lenses]]></title><link><![CDATA[https://clzoptics.en.ec21.com/Achromatic_Lenses--7138952_8461857.html]]></link><description><![CDATA[lenses have been corrected for on-axis spherical aberration as well. Achromatic doublets are used as telescope objectives, eye loupes, magnifying glasses and eyepieces. Achromatic doublets have also ]]></description><pubDate><![CDATA[20240403]]></pubDate></item>
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<title><![CDATA[Spherical Lens]]></title><link><![CDATA[https://chinastar2009.en.ec21.com/Spherical_Lens--3515571_3523506.html]]></link><description><![CDATA[Glass lens element cemented to a negative high-index Flint Glass lens element.
Specification of our achromatic lens as follow:
*Material:BK7 and ZF2(or according to your request)
*Dia.:+0/-0.05
*Cent]]></description><pubDate><![CDATA[20201103]]></pubDate></item>
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<title><![CDATA[Large or Small Optical Glass Lens]]></title><link><![CDATA[https://daisydong147.en.ec21.com/Large_or_Small_Optical_Glass--10848859_10848860.html]]></link><description><![CDATA[Product Description 
Large or Small Optical Glass Lens 
YuTai optics can supply the optical lens in many typies.Such as the plano convex lens, plano concave lens, double convex lens, double concave l]]></description><pubDate><![CDATA[20181107]]></pubDate></item>
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<title><![CDATA[Convex Lens]]></title><link><![CDATA[https://jiffoptics.en.ec21.com/Convex_Lens--5677474_5677524.html]]></link><description><![CDATA[plano convex lens
we can supply various kinds of Plano Convex lenses with different coating according to your requirements.
Material: Fused cilica, BK7 Grade A or equivalent optical glasses Focal Len]]></description><pubDate><![CDATA[20110729]]></pubDate></item>
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<title><![CDATA[Optical Balls  Lens]]></title><link><![CDATA[https://23494059302940394039.en.ec21.com/Optical_Balls_Lens--9447356_9372057.html]]></link><description><![CDATA[lens; Optical ball lens; Half ball lens; Optical glass ball lens
Material
Dia.tol.
Surface quality
Roundness 
Application
Shape
Clear Aperture
K9 (BK7), sapphire glass; fused silica
+/-0.005mm(5um)
6]]></description><pubDate><![CDATA[20190718]]></pubDate></item>
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<title><![CDATA[Factory Manufacture Price Cerium Oxide with CAS No.1306-38-3]]></title><link><![CDATA[https://sintopchem.en.ec21.com/Factory_Manufacture_Price_Cerium_Oxide--11556797_11556957.html]]></link><description><![CDATA[glass industry, as grinding material for plate glass, and can also be used in cosmetics to resist ultraviolet rays. Has been extended to glasses glass, optical lens, picture tube grinding, decoloriza]]></description><pubDate><![CDATA[20220511]]></pubDate></item>
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<title><![CDATA[Plano Convex Lens Double Convex Lens Spherical Lens with AR Coating]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/Plano_Convex_Lens_Double_Convex--11490071_11490080.html]]></link><description><![CDATA[Lens, Double Convex Lens , Plano Concave Lens, Double Concave Lens, Meniscus Lens, Achromatic Lens and aspheric Lens.
Optical glass lenses have a wide variety of applications. Germanium (Ge), Silicon]]></description><pubDate><![CDATA[20240201]]></pubDate></item>
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<title><![CDATA[Achromatic Lenses]]></title><link><![CDATA[https://ostphotonics.en.ec21.com/Achromatic_Lenses--11883017_11883018.html]]></link><description><![CDATA[Lenses
Lens made from materials such as N-BK7, Fused Silica, Sapphire, CaF2, Borofloat, or other optical glass supplied by Schott and Chinese CDGM is available upon request.
Custom-made Lenses at any]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[Optical Glass High Precision Aspheric Lens for Imaging]]></title><link><![CDATA[https://ruikeoptics000.en.ec21.com/Optical_Glass_High_Precision_Aspheric--11732883_11874181.html]]></link><description><![CDATA[Ruike Optics manufacture High Precision
Aspheric Lens manly used for imaging camera,Medical Equipment and lasers.
Aspheric lens can increase the freedom of
optical design, it is conducive to aberrati]]></description><pubDate><![CDATA[20231209]]></pubDate></item>
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<title><![CDATA[Optical Window Round Sapphire Protective Window for Inspection]]></title><link><![CDATA[https://june20210728.en.ec21.com/Optical_Window_Round_Sapphire_Protective--11547959_11548565.html]]></link><description><![CDATA[glass factory with more than 10 years experience.Q2: What products can I get from your company?A: Optical lenses, prisms, filters, protective windows ect. Details please contact us.Q3: How will you c]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[2023 Free Sample/Inquiry for Drawings Biconcave Lens High Precision Optical Components]]></title><link><![CDATA[https://oplens68.en.ec21.com/2023_Free_Sample_Inquiry_for--11609135_11609150.html]]></link><description><![CDATA[lens can not only customize the common plano-concave lens of N-BK7 or fused quartz, but also customize the biconcave lens of any glass material.
You are welcome to contact us for customized biconcave]]></description><pubDate><![CDATA[20230809]]></pubDate></item>
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<title><![CDATA[Cylinder Lenses]]></title><link><![CDATA[https://tcoptik.en.ec21.com/Cylinder_Lenses--11848834_11848835.html]]></link><description><![CDATA[lenses is made of n-bk7 glass
The focal length can be selected from - 50.0mm to - 1000.0mm
Compatible with SM1 lens tube between cylinder lens
The output of the laser diode is collimated and rounded
]]></description><pubDate><![CDATA[20230928]]></pubDate></item>

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