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Minimum Order
Place of Origin:
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Price for Minimum Order:
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الشخص الذي يمكن الاتصال به Mr. yang
No.1198 Guigu Street, Changchun, Jilin
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Specification
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Material
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Schott BK7
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Design
Wavelength
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**2.8nm
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Focal Length
Tolerance
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±1 degrees
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Diameter
Tolerance
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*0/*0.1mm
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Thickness
Tolerance
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±0.1mm
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Surface
Accuracy
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Surface
Quality
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****0
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Centration
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<3 arc min
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Clear
Aperture
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>*0%
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Bevelling
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<0.2×*5º
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Coating
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According to customers’
requirements
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