APS-C vs Full Frame for Travel
Tutorial
APS-C vs Full Frame for Travel
Does the bigger sensor justify the bigger bag?
By Marcus Reid
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Aperture Academy
Clear, practical photography education — from your first exposure triangle to advanced technique. No jargon for its own sake.
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f/1.4 vs f/1.8
Tutorial
f/1.4 vs f/1.8
The real-world difference between the two most popular fast primes.
By Marcus Reid
f/2.8 vs f/4 Zooms
Tutorial
f/2.8 vs f/4 Zooms
Should you pay more for a constant f/2.8 zoom, or is f/4 enough?
By Marcus Reid
35mm vs 50mm
Tutorial
35mm vs 50mm
Two classic primes — which one fits how you shoot?
By Marcus Reid
50mm vs 85mm for Portraits
Tutorial
50mm vs 85mm for Portraits
The classic portrait-lens decision.
By Marcus Reid
F-Stop Explained
Tutorial
F-Stop Explained
What f-stops actually mean, why the numbers look backwards, and how each stop changes your photo.
By Marcus Reid
Aperture and Depth of Field
Tutorial
Aperture and Depth of Field
How changing aperture controls what's in focus — and how to use it deliberately.
By Marcus Reid
Best Aperture for Portraits
Tutorial
Best Aperture for Portraits
Which aperture to choose for flattering portraits — and when to stop down.
By Marcus Reid
Best Aperture for Landscapes
Tutorial
Best Aperture for Landscapes
Maximize front-to-back sharpness with the right aperture.
By Marcus Reid
Shutter Speed Explained
Tutorial
Shutter Speed Explained
How shutter speed freezes or blurs motion, and how to use it creatively.
By Marcus Reid
ISO Explained
Tutorial
ISO Explained
What ISO does, how it affects image noise, and how high you can push it.
By Marcus Reid
The Exposure Triangle
Tutorial
The Exposure Triangle
How aperture, shutter speed and ISO work together to create a correct exposure.
By Marcus Reid
What Is Aperture?
Tutorial
What Is Aperture?
Aperture explained simply — how f-stops control exposure, depth of field and the look of your photos.
By Marcus Reid