45*35*3.5mm Rectangular Glasses Window Polished K9 Bk7 Optical Glass

• Usage: Lighting, Medical, Optical, Photography
• Type: Optical Windows
• Transmittance: >95%
• Shape: Flat
• Material: Optical Glass
• Lenses Color: Clear
• Model NO.: OW
• Certification: RoHS, ISO9001, CE
• Customized: Customized
• Coating: Bk7 Windows
• Transport Package: Inner Packing----Special Protective Packing for Op
• Specification: customized
• Trademark: EBetter
• Origin: Shen Yang
• Production Capacity: 2000

Product Description

N-BK7 windows
N-BK7 windows are ideally suited for industrial applications. Available uncoated or with a MgF2 anti-reflection coating, windows are often used as a protective element between two environments.

Diameter	0.2-300mm
Thickness	0.1-100mm
Dimension tolerance	+/-0.02mm
Surface quality (scratch & dig)	20/10 or better
Clear aperture	>85%, >90%
Surface accuracy	λ/10
Parallelism	<30 arc sec
Bevel	0.1~0.3mm x 45 degree
Coating	AR, BBAR or Custom

                                                            BK7 Windows 

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