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BK7 lens

BK7 lens, Good performance over visible and near IR spectrum for most applications. - more info check here: http://www.buymeasuringtools.com/BK7-lens-10132657/

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Place of Origin: Jiangsu China (Mainland)

Product Features:

BK7 lens

Good performance over visible and near IR spectrum for most applications.

Business Terms:

Payment Terms: L/C,T/T

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BK7 lens
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Specifications and Product Details:

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

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