High Quality Coated Optical Plano Concave BK7/B270 Lenses
Original price was: $15.00.$7.00Current price is: $7.00.
53% Off
Support global shipping！High Quality Coated Optical Plano Concave BK7/B270 Lenses，etc.
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Model:A-011
Size:φ50,φ60,φ70,φ90,etc
Price:by case
Min.order Quantity: 1 pieces
Lead time:1-4 weeks or depends on order quantity
Description
Specification of optical 1.8mm ball lens we manufactured:
Material: BK7, LaSFN9 glass,Ohara S-LAH71 glass or other optical glass
Sphericity: 0.001mm
Surface Quality: 20-10
Diameter: 1.8mm+/-0.005
Specification of optical plano concave lens we manufactured:
Material: BK7, LaSFN9 glass,Ohara S-LAH71 glass or other optical glass
Surface Quality: 20-10
Diameter: 1.8mm+/-0.005
Specification
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Diameter Tolerance
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+0.0/-0.05mm
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|
Center Thickness Tolerance
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±0.02 mm
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|
Focal Length Tolerance
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±2%
|
|
Surface Quality
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60/40, 40/20 or better
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|
Material
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optical glass/PMMA
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|
Clear Aperture
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>90%
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|
Centering
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<3 arc min
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|
Coating
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Custom
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|
Bevel
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Protective bevel as needed
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Inspection:Each lens be tested before packing,a formal tested report will be provided.
01.Polishing
Non-dust Polishing Workshop Polishing The Products After Fine Grinding Through Polishing Machine,Polishing Power.
02.Optical Lens Coating
Metal Coating And Dielectric Coating Provided.Our Factory Can Provide AR,Dichroic Film,Protective Coating,Waterproof Coating Etc.
03.Optical Lens Inspection
Quality Control In Each Step In Production 100% Visual Inspection And Finished Product Inspection After Production.
Application of our lenses:avionics,astronomy,military,medical,scientifics,laser etc…
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