f/1, f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16… dizzy yet? Find out on today’s show what those aperture numbers (aka “f-stops”) actually mean and why they seem to go backwards. Also on today’s show: Introducing Happy Shooting, the new German photo podcast, and a new assignment!
“High Voltage!” (click image for larger version)
Show support: Kavey, Rebecca Davies, & Ravsitar
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Links from today’s show:
- There’s a new episode over at my other podcast Up to the Top Floor (the podcast where you can come along as I build my own media production business)
- If you speak German, check out the new weekly photograhpy podcast Happy Shooting, presented by Boris (of nSonic fame) and yours truly.
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Tips from the Top Floor, produced by photographer Chris Marquardt, is a free mp3 audio and video show about all things photography. From image composition to post processing. Use a point-and-shoot? A DSLR? Beginner? Learn photography from Chris, it's like a free photo workshop! Professional photographer? Get your refresher class here for free!
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if each stop is supposed to double/half the area, shouldn’t the number refer to the *radius* of the aperture instead? cos if it were the diameter, you need to multiply by a factor of 2*(square root of 2) in order to double the area for each stop… ie. you should have the sequence f/1, f/2.8, f/8, f/22 instead… Correct me if I’m wrong here.
WHOOPS!!! hey sorry about that - I just realized that yeah, the same thing (factor) can work for the diameter as well… My bad!!!
On another note though, I love the photo for the assignment Chris! Great job.