The difference between Levels and Curves in Photoshop ...

WILL NICHOLLS, PETAPIXEL:

Here’s a 6-minute video from PiXimperfect that looks at the difference between the Levels and Curves functions in Photoshop. While the two may seem similar in purpose, there are some very clear differences between them.

An analogy instructor Unmesh Dinda gives is a comparison between a standard calculator and a scientific calculator.

Watch and learn, from here.