Table 2.

List of key features of the SFE.

Frame rate	Live video ($\ge 30\mathrm{fps}$), 8 bit
Resolution	$600\times 600$ lines
Full field of view	$>80\mathrm{deg}$
Depth of focus	30 mm
Probe length/diameter	$>1$ m long, 1.2 mm diameter probe
Modalities	Surface imaging and fluorescence
Flexibility	6 mm Bend radius behind 9 mm long rigid tip
Illumination	Red, green, blue and violet lasers