Adjustable Focal Length Lens - OS-8494

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Overview

Use the included syringe to adjust the amount of water in the clear flexible membrane. Perfect for demonstrations involving focal length of lens changes relative to to the curvature of the membrane. For use with either the Basic Optics System (OS-8515C) or the Human Eye Model (OS-8477).

The Adjustable Focal Length Lens (OS-8494) is an accessory for the:

Includes

  • Adjustable Lens with Flexible Membrane (2)
  • Silicone Tubing - 1 ft
  • 10 mL Syringe
  • Instructions