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NINGBO HONGBO OPTICAL INSTRUMENT CO., LTD.
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ChinaVIP0Audited Supplier
Products: Magnifier , Pocket Microscope , Magnifier Lamps , Binoculars , Compass , Magnifying Lens & Stereo Microscopes
Response Time: within 24 hours
Response Rate: 100%
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digital optics lenses/plano concave optical lenses/ condensing lens
OverviewQuick DetailsPlace of Origin:Zhejiang, China (Mainland)Brand Name:HBModel Number:HB-13Material:BK7 or otherUsage:OpticalShape:Aspher
$5 /Piece
Product Details
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Specifications
1.Diameter Tolerance +0.0, -0.15mm
2.Focal Length about 3%
3.Centration blow 3 arc minutes
4.Clear Aperture up 90%
Plano-Concave Lenses
1.Diameter Tolerance +0.0, -0.15mm
2.Focal Length ±3%
3.Centration <3 arc minutes
4.Clear Aperture >90%
5.Surface Figure λ/4 632.8nm
6.Surface Quality 40-20 scratch & dig
7.Design wavelength 632.8 nm
8.AR coatings None.
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