Fig. 4.

This figure shows images from the wide field imaging system. A) Image of Group 2 on the USAF resolution target. B) Image taken with the falloposcope of rhodamine fluorescence illuminated by 513 nm excitation and collected through 590 nm narrow band emission filter. C) White light photo showing the target of B. The 1 cm diameter cuvette is filled with rhodamine solution illuminated with 513 nm light. The white circle denotes the field of view of image B.