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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
Φ4.0 mm Φ4.0 mm Φ4.0 mm Φ4.0 mm Φ4.0 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
Φ4.0 mm Φ4.0 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 Φ4.0 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
Φ6.0 mm Φ6.0 mm Φ6.0 mm Φ6.0 mm Φ6.0 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
Φ6.0 mm Φ6.0 mm Φ6.0 mm Φ6.0 mm Φ6.0 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 Φ6.0 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.