MeritKeep

The exposure triangle

How aperture, shutter speed and ISO trade against each other, and choosing which one to spend when the light changes.

foundational~2hWe check the technical side. Whether it's any good is your call
The barWhat counts as knowing this

Hit a target exposure deliberately by choosing which of the three settings to spend

That sentence is the bar. It only counts once your work shows you can do it. Reading about it does not.
Prove itA check for this one skill

Up to 3 questions on this skill alone, marked against the bar beside this. It stops as soon as the answer is clear. No account, and your answers are not kept.

01 · Prerequisites

Where it sits

No prerequisites — this is a starting point in Photography.
03 · What comes next

What it unlocks

Start on Photography

Every skill above, ordered by what depends on what, with the projects above that as the evidence you actually did it. We work out where you already are first, so the path skips what you can do.

About three minutes to set up. Nothing is marked until you hand something in.Start this path
Part of Photography.

One cookie, so we can see which subjects people finish and where the site loses them — plus a replay of where you click. Nothing you type is recorded, and once you’re signed in the words on screen are blanked out too. No advertising, nothing sold. The detail.