12G-SDIケーブル

12G-SDIケーブル、カナレL-4.5CHDなら50mはいけそう。

75Ω同軸ケーブル（高発泡絶縁体タイプ）

サポートセンター | Blackmagic Design

What cables should I use with Blackmagic 12G-SDI products?
It is important to use a good quality HD cable with 12G-SDI products. As an example, we have used an industry standard Belden 1694A cable when testing our 12G-SDI products.

We recommend using the following cables:

Belden 1694A
Canare L-4.5CHD
Distance for cable lengths are:

3G-SDI 100 meters
6G-SDI 80 meters
12G-SDI 50 meters