Figure 1
Top: diagram of the cell-phone-based fluorescence imaging system. (a) Cell phone; (b) emission filter; (c) 10× macro lens with attached hood; (d) LED mounted in lens hood. Not shown are the aluminium tube used to hold and aim the LED, the LED power supply and the clip that holds the assembly to the cell phone. Bottom: image of the complete cell-phone-based system, showing the macro lens with black hood attached to a Samsung Galaxy cell phone. Also shown are the power supply and the connections to the LED. |