Endoscope

Optical System    Field of view    Normal 140°
Near 140°
Direction of view    Forward viewing
Depth of field    Normal 5-100 mm
Near 2-6 mm
Insertion Section    Distal End outer diameter    9.9 mm
Insertion Tube outer diameter    9.9 mm
Working Length    1,030 mm
Instrument Channel    Channel inner diameter    2.8 mm
Minimum visible distance    3.0 mm from the distal end