Which image intensification viewing system provides the highest resolution?

The optical mirror viewing system is known for providing the highest resolution among the options listed. This system utilizes mirrors to direct the light from the image intensifier to the viewer's eye, which preserves the high spatial resolution of the image. The image produced is typically clearer and more detailed because it leverages optical pathways that do not introduce digital artifacts or compression, maintaining the fidelity of the original image.

In contrast, other systems such as digital imaging may compress data, which can lead to a loss of fine detail, even though they offer other advantages such as ease of storage and retrieval. Cine film and spot filming cassettes can also produce quality images; however, their resolution may not consistently match that of the optical mirror system, particularly in dynamic or high-speed environments where precision is critical. Therefore, the optical mirror system stands out as the best option for high-resolution imaging in fluoroscopic procedures.