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  • GERSH Kit
  • GERSH Kit
  • GERSH Kit


Part Number: GER-KIT

Lead Time: 2 weeks

Total Price

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Product Details

The Gershun Tube Kit is an optical assembly that attaches to a spectrometer or SMA 905-terminated optical fiber to control the FOV of the setup. Each assembly comprises a conical base and middle and outer barrels that are threaded together. User-interchangeable apertures can be installed to adjust FOV at different increments from 1°-28°.

Product Overview

  • Control Field of View – restrict FOV to know values from 1°-28°
  • Versatile – couples to fibers or directly to spectrometers
  • Easily configured – switch out apertures within seconds


Select model to see full specifications


SMA 905-terminated optical fiber or spectrometer
Black anodized aluminum
Aperture Sizes:

10° and 14°
Engineering FOV Options:

20° and 28°
Tube Interior:
Bead-blasted surface reduces off-axis reflections