iris

As many of you know, I enjoy listening to podcasts on my drive to and from work, and this afternoon was no different. On one of the podcasts I listened to today, I happened to hear what had to be the most convoluted, confusing, and downright confounding explanations of the f-stop that I’ve ever heard. I’m pretty sure that at least one crucial part of the explanation was even wrong. Very wrong. WTF-stop, indeed! So, let’s go ahead and take a look at the term “f-stop” to see if I can make some sense of it for you, as it’s actually