

Hello, friends in civilized lands, especially those of you who work at financial institutions…
Some of us in the states are excited to watch you do some damage to the entrenched middlemen that have been skimming from all of us for so long. Please do consider letting us sign up for the new stuff. Our money is still worth something, for now!




To add more specifics here for you, note that the f-stop is usually shown as a fraction, like f/2.8, f/4.0, etc.
So first of all, since the number is on the bottom of the fraction, there’s where you get smaller numbers = more light.
It’s also shown as a fraction because it’s a ratio, between your lens’s focal length (not focal distance to the subject) and the diameter of the aperture.
So if I’m taking a telephoto shot with my 70-200 @ 200 with the aperture wide open at f/2.8, that means the aperture should appear as 200/2.8 = 71.4mm. And that seems right to me! If you’re the subject looking into the lens the opening looks huge.