Off the top of your head, do you know how much more light f/2. 8 lets in compared to f/5. 6? Do you know the f-stop number that comes after 11? This 1. 5-minute video reveals the simple pattern used by the scale.
If you didn’t know, f/2. 8 lets in four times as much light as f/5. 6. That’s […]. petapixel.com
2017-6-10 22:41