Connector

1. An endoscope configured to be inserted into an inside of a subject to pick up an image of the inside of the subject, the endoscope comprising:

a fitting having a cylindrical shape, the fitting being connected to the endoscope, and the fitting being electrically connected to an external apparatus, the external apparatus processing a video signal picked up by the endoscope;

a light guide provided so as to project from a bottom surface of the cylindrical shape of the fitting, the bottom surface being on a side of the fitting connecting to the external apparatus;

a planar surface provided on at least a portion of the cylindrical shape of the fitting;

one or more first electroconductive contacts provided on the planar surface, the one or more electroconductive contacts being configured to communicate with the external apparatus;

one or more second electroconductive contacts provided on a circumferential surface of the cylindrical shape of the fitting; and

a planar substrate configured to communicate with the external apparatus, the planar substrate being disposed inside the fitting and arranged along a central axis of the cylindrical shape, the planar substrate being disposed parallel to the planar surface,

wherein the one or more second electroconductive contacts are electrically connected to the substrate via a cable, the one or more second electroconductive contacts being configured for transmission and control of electric power and for information transmission,

the one or more first electroconductive contacts are directly electrically connected to the planar substrate, the one or more first electroconductive contacts being configured for transmission of the video signal; and

the one or more first electroconductive contacts are configured for transmission of the video signal at a transmission speed higher than a transmission speed of information transmitted by the one or more second electroconductive contacts.

2. The endoscope according to claim 1 , wherein

the one or more first electroconductive contacts comprises a plurality of first electroconductive contacts each electrically conductive with the external apparatus,

the plurality of first electroconductive contacts are respectively electrically connected to a plurality of substrate terminals disposed on the planar substrate, and

an impedance from the plurality of first electroconductive contacts to each of the respective plurality of substrate terminals is equal.

3. The endoscope according to claim 2 , wherein

the plurality of first electroconductive contacts have a same shape as one another, and

the plurality of first electroconductive contacts are respectively connected to the plurality of substrate terminals at equal distances.

4. The endoscope according to claim 2 , wherein the plurality of first electroconductive contacts are arranged in a direction parallel to an arrangement direction of the plurality of substrate terminals.

5. The endoscope according to claim 1 , wherein the fitting includes a cutout provided in a region of the circumferential surface of the cylindrical shape of the fitting that is not provided with the one or more second electroconductive contacts.

6. The endoscope according to claim 1 , wherein the bottom surface is orthogonal to the central axis of the cylindrical shape, the fitting having an opening into which the light guide is inserted, the opening being provided on the bottom surface.

7. The endoscope according to claim 1 , wherein

the one or more first electroconductive contacts comprises three or more first electroconductive contacts arranged on the planar surface,

the three or more first electroconductive contacts each having a same shape, and

the three or more first electroconductive contacts each comprising a first portion exposed on the planar surface, a second portion disposed at a proximal end of the first portion, the second portion being connected to a respective substrate terminal arranged on the planar substrate, and a third portion electrically connecting the first and second portions to each other.