If the Farthest Viewer is 240 inches away viewing slides, how is the image height calculated?

To determine how the image height is calculated for a viewer located at a distance of 240 inches, we focus on the principle of how the dimensions of an image relate to viewer distance. When the farthest viewer distance is known, the calculation of the image height typically relies on the percent element height, which takes into consideration how much of that distance can effectively contribute to the visual experience of the viewers.

In this context, using the percent element height means calculating the optimal image height based on what is deemed effective for viewing from a specific distance. This is particularly important when designing for environments like presentations or theatrical settings, where proper image size enhances visibility and comprehension.

Thus, by applying a formula that considers viewer distance and the corresponding percent of element height, a more accurate image height can be attained that suits the farthest viewer's experience. The focus is on ensuring that the image is not only viewable but also engages the audience effectively from that distance.