Numerical Aperture

This video describes numerical aperture - a property of objective lenses that limits resolution and image brightness.

Video created by Jennifer Waters, Director of the Nikon Imaging Center at Harvard Medical School, with helpful suggestions and a cameo appearance from Talley Lambert.

Objective lens cartoon from microscopyu.com

40x lens image comparison from doi.org/10.1016/S0091-679X(06)81007-1

• #science_technology
• #fluorescence
• #numerical_aperture
• #objective_lens
• #optical_microscopy
• #light_microscopy
• #optics
• #nikon
• #nikon_imaging_center