79
9 Specifications
9.3 Optical adapter specifications
For 4-mm type insertion tube
For 6-mm type insertion tube
When the optical adapter is mounted on the insertion tube.
When the optical adapter is mounted on the insertion tube.
Adapter name
AT120D/NF
-IV94
AT120D/FF
-IV94
AT100S/NF
-IV94
AT100S/FF
-IV94
AT80D/FF
-IV94
Product abbreviation
120DN
120DF
100SN
100SF
80DF
Character color
Red
Green
Red
Green
Green
Optical
system
Field of view
120 °
120 °
100 °
100 °
80 °
Direction of view
Forward
Forward
Side
Side
Forward
Depth of field *
1
2 to 200 mm
17 to
∞
mm
2 to 15 mm
8 to
∞
mm
35 to
∞
mm
Distal end
Outer diameter*
2
Φ
4.0 mm
Φ
4.0 mm
Φ
4.0 mm
Φ
4.0 mm
Φ
4.0 mm
Rigid distal end length*
3
19.0 mm
19.0 mm
21.7 mm
21.7 mm
19.0 mm
Adapter name
AT50D/50D-IV94
AT50S/50S-IV94
Product abbreviation
50/50D
50/50S
Character color
Blue
Blue
Optical
system
Field of view
50 °/50 °
50 °/50 °
Direction of view
Forward/forward
Side/side
Depth of field *
1
5 to
∞
mm
4 to
∞
mm
Distal end
Outer diameter*
2
Φ
4.0 mm
Φ
4.0 mm
Rigid distal end length*
3
24.3 mm
28.4 mm
• *1 Indicates the range within which the image can be viewed clearly.
• *2 Can be inserted into a
Φ
4.0 mm hole when mounted on the insertion tube.
• *3 Indicates the length of the rigid portion at the insertion tube's distal end when mounted.
Adapter name
AT40D-IV96
AT80D/NF
-IV96
AT80D/FF
-IV96
AT120D/NF
-IV96
AT120D/FF
-IV96
Product abbreviation
40D
80DN
80DF
120DN
120DF
Character color
Black
Red
Green
Red
Green
Optical
system
Field of view
40 °
80 °
80 °
120 °
120 °
Direction of view
Forward
Forward
Forward
Forward
Forward
Depth of field *
1
200 to
∞
mm
9 to
∞
mm
35 to
∞
mm
2 to 200 mm
19 to
∞
mm
Distal end
Outer diameter*
2
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Rigid distal end length*
3
18.4 mm
18.9 mm
18.8 mm
18.9 mm
18.8 mm
Adapter name
AT80S-IV96
AT120S/NF
-IV96
AT120S/FF
-IV96
AT60D/60D
-IV96
AT60S/60S
-IV96
Product abbreviation
80S
120SN
120SF
60/60D
60/60S
Character color
Black
Red
Green
Blue
Blue
Optical
system
Field of view
80 °
120 °
120 °
60°/60 °
60°/60 °
Direction of view
Side
Side
Side
Forward/
forward
Side/side
Depth of field *
1
15 to
∞
mm
1 to 25 mm
3 to
∞
mm
5 to
∞
mm
4 to
∞
mm
Distal end
Outer diameter*
2
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Φ
6.0 mm
Rigid distal end length*
3
24.2 mm
24.2 mm
24.2 mm
24.9 mm
31.3 mm
• *1 Indicates the range within which the image can be viewed clearly.
• *2 Can be inserted into a
Φ
6.0 mm hole when mounted on the insertion tube.
• *3 Indicates the length of the rigid portion at the insertion tube's distal end when mounted.