Originally Posted by
Pittsextra
Before we get too sophisticated with our thinking re: lens and angles. What metric is used for oversight? Isn't it the case that an FDD is doing nothing more than using his eyes in combination with experience and the framework of regulation to take a view?
It is not quite so simple, and more than one pair of eyes is used, but essentially yes.
This is not unreasonable.
Eyes are very different from cameras, and have a far wider field of view enabling better SA of what is going on.