Rechargeable blue-filter demonstration torch for optical dispensing.
Designed to demonstrate and compare the filtering response of blue-cut, blue-filter or blue-block lenses. The rechargeable design is convenient for repeated counter demonstrations.
Use: Shine the torch through the lens toward a suitable test card or reference surface. Do not look directly into the beam.
How to use
Shine the rechargeable torch through a lens toward a suitable test card or reference surface and compare transmitted light between lens types. Do not look directly into the beam.
When to use
Use to demonstrate or compare the filtering response of blue-cut, blue-filter or blue-block lenses without relying on disposable batteries.
Where to use
Use at the dispensing counter or lens demonstration area with a test card or suitable reference surface.
