Nikon TIRF Instructions Manual page 5

Safety Precautions (Read the following before use!)
4. Laser emission position
The laser product label, laser warning label and the aperture label displayed on the microscope
stage warn that laser beams are emitted from these areas.
Never attempt to look into the objective or the areas near the objective from above or below the
stage as the lens emits a powerful laser beam toward the top and bottom sides of the stage. Your
eyes or skin may be exposed to the laser beam, resulting in injury.
Laser warning label
Laser product label
Aperture label
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