120° Endoscope Objective Lens

100° Endoscope Objective Lens

Disposable Use

Sensor matched:
1/9”

Field of View:
Vertical 54°
Horizontal 74°
Diagonal 100°

F/No.:
6.0±5%

CRA:
<31°

Structure:
3 elements (2P+1 IRF)

E.F.L:
1.07

B.F.L:
1.431mm

Max Image Circle:
Φ2.1mm

In an endoscope used for medical treatment, a sleek design of the insertion tube section of the endoscope and a reduction in length of a rigid portion at the distal end of the insertion tube section are demanded in order to improve its operation property. It is thus indispensable that the objective lens used in the endoscope is constructed so that aberration is completely corrected in practical use, a lens contour is small, and the entire length is reduced.

wdt_ID Attribute Value
1 Sensor matched 1/9''
39 Structure 3 elements (2P+1 IRF)
40 Field of View Vertical
54°
41 Field of View Horizontal 74°
43 Field of View Diagonal 100°
44 E.F.L 1.07
45 F/No. 6.0±5%
46 B.F.L 1.431mm
47 CRA <31°
48 Max Image Circle Φ2.1mm
49 Optical Distortion < - 39%
50 Dimension 3.5x3x3.54mm
51 Total Length 5.88±0.1mm
52 Thread M2.6*P0.25
53 Focusing Range 3-25mm/10-100mm

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