ISO is totally FAKE. Seriously.

Check out our #1 PHOTOGRAPHY BOOK on Amazon: OUR STORE: coupon ’YouTube’ ISO is fake for a bunch of reasons: 1) It’s just a post-processing instruction; generally, it doesn’t physically change anything about the picture taking process, unlike shutter speed and aperture. 2) While the term “ISO“ refers to a real standard, camera manufacturers don’t comply with that standard, like, at all. Many cameras are more than a full stop off the proper ISO. For that reason, light