Table 1.

Comparison of the specifications of the portable imager and a Kodak In Vivo FX Pro imaging system.

	Specification	Portable imager	Kodak In Vivo FX Pro
Detector	Pixel size	$5\text{-}10\mu \mathrm{m}$	$7.4\mu \mathrm{m}$
	Dynamic range	16 bit	16 bit
	Dark current	$<0.001\mathrm{e}/\text{pixel}/\mathrm{s}$	$0.003\mathrm{e}/\text{pixel}/\mathrm{s}$
	Read noise	$<100\text{\hspace{0.17em}\hspace{0.17em}electrons}$ (rms)	$<9\text{\hspace{0.17em}\hspace{0.17em}electrons}$ (rms)
Light source	Type	LED	Xenon bulb
	Wavelengths	630 or 740 nm	410–760 nm (excitation)
			535–830 nm (emission)
Filter	Type	Thin-film coatings	Thin-film coatings
	Transmission	$>60\%$	$>60\%$
Zoom lens	Angle of view	$>28\mathrm{deg}$	33 deg
Dimensions	Size ($L\times W\times H$)	$22\times 22\times 25\mathrm{cm}$	$104\times 61\times 96.5\mathrm{cm}$
	Weight	5.8 kg	142 kg