Optical Design with Narrow-Band Imaging for a Capsule Endoscope

Table 4

Merit function table.

Operand	Meaning	Target
T1	Effective focal length	2 mm
T2	Total length	4 mm
T3	Paraxial image height	2.3 mm
T4	Relative illumination	55%
T5	Maximum center thickness of the glass	1 mm
T6	Minimum center thickness of the glass	0.3 mm
T7	Maximum edge thickness of the glass	1 mm
T8	Minimum edge thickness of the glass	0.3 mm
T9	Distortion max	15%