Which is a common problem when using analog cables for video transmission over long distances?

Signal degradation is a well-known issue when using analog cables for video transmission over longer distances. As the signal travels along the cable, it can lose quality due to various factors, including resistance in the cable, interference from external sources, and the inherent limitations of analog technology itself. This degradation can result in poorer image quality, with possible manifestations such as blurriness, noise, or distortion.

In contrast, enhanced image clarity would only be associated with high-quality video transmission setups, not with analog cables over long distances. Lower bandwidth is not a characteristic inherently tied to analog cable use; rather, it refers to the amount of data that can be transmitted, which can vary in different contexts. Increased signal strength is also not applicable here, as the longer the cable run, the weaker the signal generally becomes due to the aforementioned factors. Therefore, signal degradation stands out as the most applicable issue with analog cables over long distances.