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Chapter 10 Specifications
10.2 Other specifications
Optical system Field of view Can be changed according to the optical adapter.
Direction of view Variable for direct viewing or side viewing depending on the optical
adapter.
Depth of field Refer to specifications for depth of field for optical adapter.
Illumination 2-stage LED illumination system (LX only)
Distal end Outer diameter IV84 series: φ 4.0 mm
IV86 series: φ 6.0 mm
IV88 series: φ 8.5 mm
Distal end rigid
section length
See the distal end rigid section length specification of the optical
adapter in use.
Angulation IV8420L1/L2, IV8435L1/L2: 130°
IV8620L1/L2: 150°
IV8635L1/L2: 130°
IV88100L1/L2:115°
UP, DOWN, RIGHT and LEFT each direction.
The insertion tube is straight.
Flexible section Flexibility IV84 series: Fixed hard tube from the distal end of the insertion tube to
the control unit.
IV86 series: TF tube with flexibility gradually increasing toward the distal
end.
Outer diameter IV84 series: φ 4.0 mm
IV86 series: φ 6.0 mm
IV88 series: φ 8.5 mm
Index lines An orange line is drawn at the position of 500 mm from the distal end of
the insertion tube. White lines are drawn at every 1000 mm from the
distal end of the insertion tube. The number of white lines is increased
at every 1000 mm (1 line at 1000 mm, 2 lines at 2000 mm).
Total length IV8420L1/L2: 2 mIV8435L1/L2: 3.5 m
IV8620L1/L2: 2 mIV8635L1/L2: 3.5 m
IV88100L1/L2:10m
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