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High Quality Coated Optical Plano Concave BK7/B270 Lenses

Original price was: $15.00.Current 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

Categories: ,
Plano-Concave (PCV) lenses
Plano Concave lenses have one flat and one inward curved surface. Plano Concave lenses have a negative focal length and are used for image reduction or to spread light.

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

plano concave lens
optical plano concave lens

Specification

Diameter Tolerance
+0.0/-0.05mm
Center Thickness Tolerance
±0.02 mm
Focal Length Tolerance
±2%
Surface Quality
60/40, 40/20 or better
Material
optical glass/PMMA
Clear Aperture
>90%
Centering
<3 arc min
Coating
Custom
Bevel
Protective bevel as needed
Inspection:Each lens be tested before packing,a formal tested report will be provided.
optical lens polishing

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.

optical lens coating
optical lens inspection

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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