An aircraft reading light comprising a variable geometry light source configured to be mounted on a swivel, the variable geometry light source comprising: an upper housing; a lower housing connected to the upper housing; a printed circuit board located within the variable geometry light source, the printed circuit board including: a microcontroller, the microcontroller including at least one processor, a memory, and a storage, the microcontroller configured for receiving a user input and producing an illumination data signal based on the user input; a power receiver operatively coupled with the microcontroller configured for: receiving an electrical power; and supplying a regulated portion of the electrical power to at least one component of the variable geometry light source; a dense array of light emitting diodes, LED, operatively coupled with the microcontroller and the power receiver, and configured for producing a controlled illumination; and at least one driver (130,140), the at least one driver being operatively coupled with the microcontroller, the dense array of LED, and the power receiver, configured for: receiving the regulated portion of electrical power; receiving the illumination data signal; and driving at least one LED within the dense array of LED to produce the controlled illumination based on the illumination data signal; a tunable lens located within the variable geometry light source configured for focusing the controlled illumination based on a selectable focus, the focusing producing a selectable variable geometry light pattern; a close out lens; and a knurled handle configured to allow a user to grasp the variable geometry light source via the knurled handle to direct the illumination when the variable geometry light source is mounted on the swivel for increased directional control. an upper housing; a lower housing connected to the upper housing; a printed circuit board located within the variable geometry light source, the printed circuit board including: a microcontroller, the microcontroller including at least one processor, a memory, and a storage, the microcontroller configured for receiving a user input and producing an illumination data signal based on the user input; a power receiver operatively coupled with the microcontroller configured for: receiving an electrical power; and supplying a regulated portion of the electrical power to at least one component of the variable geometry light source; a dense array of light emitting diodes, LED, operatively coupled with the microcontroller and the power receiver, and configured for producing a controlled illumination; and at least one driver (130,140), the at least one driver being operatively coupled with the microcontroller, the dense array of LED, and the power receiver, configured for: receiving the regulated portion of electrical power; receiving the illumination data signal; and driving at least one LED within the dense array of LED to produce the controlled illumination based on the illumination data signal; a tunable lens located within the variable geometry light source configured for focusing the controlled illumination based on a selectable focus, the focusing producing a selectable variable geometry light pattern; a close out lens; and a knurled handle configured to allow a user to grasp the variable geometry light source via the knurled handle to direct the illumination when the variable geometry light source is mounted on the swivel for increased directional control. a microcontroller, the microcontroller including at least one processor, a memory, and a storage, the microcontroller configured for receiving a user input and producing an illumination data signal based on the user input; a power receiver operatively coupled with the microcontroller configured for: receiving an electrical power; and supplying a regulated portion of the electrical power to at least one component of the variable geometry light source; receiving an electrical power; and supplying a regulated portion of the electrical power to at least one component of the variable geometry light source; a dense array of light emitting diodes, LED, operatively coupled with the microcontroller and the power receiver, and configured for producing a controlled illumination; and at least one driver (130,140), the at least one driver being operatively coupled with the microcontroller, the dense array of LED, and the power receiver, configured for: receiving the regulated portion of electrical power; receiving the illumination data signal; and driving at least one LED within the dense array of LED to produce the controlled illumination based on the illumination data signal; receiving the regulated portion of electrical power; receiving the illumination data signal; and driving at least one LED within the dense array of LED to produce the controlled illumination based on the illumination data signal; a tunable lens located within the variable geometry light source configured for focusing the controlled illumination based on a selectable focus, the focusing producing a selectable variable geometry light pattern; a close out lens; and a knurled handle configured to allow a user to grasp the variable geometry light source via the knurled handle to direct the illumination when the variable geometry light source is mounted on the swivel for increased directional control.