BK7 lens
Good performance over visible and near IR spectrum for most applications.
Payment Terms: L/C,T/T
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BK7 lens
Transmission Range: 330-2100nm
Refractive Index: 1.5164 @ 588nm.
Good performance over visible and near IR spectrum for most applications.
Materials:BK7 grade A optical glass
Diameter Tolerance: +0/-0.10mm
Thickness Tolerance: ±0.10mm
Clear Aperture: >85%
Flatness ( @633nm): /10//4/ 1 per 25mm
Parallelism: <10 arc seconds/ <30 arc seconds/ <1 arc minutes
Surface Quality: I~III
Bevel: 0.25mm×45°
Coating: Available upon request