10-3 Optical adapter specifications
1
For 4-mm type insertion tube
When the optical adapter (optional) is mounted on the insertion tube.
Name
AT120D/NF
-IV94G
AT120D/FF
-IV94G
AT100S/NF
-IV94G
AT100S/FF
-IV94G
Product abbreviation E120N E120F E100N E100F
Character color Red Green Red Green
Optical
system
Field of view 120° 120° 100° 100°
Direction of view Forward view Forward view Side-view Side-view
Depth of field
*1
2 to 200 mm 17 to ∞ mm 2 to 15 mm 8 to ∞ mm
Distal end
Outer
diameter
*2
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
Name
AT80D/FF
-IV94G
AT50D/50D
-IV94
*4
AT50S/50S
-IV94
*4
Product abbreviation E80F 50/50D 50/50S
Character color Green Blue Blue
Optical
system
Field of view 80° 50° / 50° 50° / 50°
Direction of view Forward view
Forward view /
Forward view
Side-view /
Side-view
Depth of field
*1
35 to ∞ mm 5 to ∞ mm 4 to ∞ mm
Distal end
Outer
diameter
*2
Φ4.0 mm Φ4.0 mm Φ4.0 mm
Rigid distal end
length
*3
19.0 mm 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 of the distal end when mounted to the insertion tube
*4 The scaler measurement cannot be used.
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