f number

Hi guys,
As a started it took me quite a few days to fully understand what f stop, shutter speed and ISO truly were. I had to see it in action. I think an animation like this would've helped a lot understanding the basics!
Let me know what you think I could've improved upon in the comments and press 'L' if you liked it!
Have a great week. Thanks @Thomas Trandal for some of the feedback and help :)

PS: reupload, forgot color animation.