The Only Three Camera Settings Beginners Need to Know

Start Here If You Want Better Photos Today

If you’re new to photography, it can feel overwhelming.
There are buttons, dials, menus, and settings everywhere.

But here’s the truth:

There are really only three settings that control every photo you take.

Once you understand these three, photography becomes much simpler — and a lot more fun.

I created a printable cheat sheet to make this easy to remember in the field. You can download and keep it on your phone or print it for your camera bag.

The Exposure Triangle — The Foundation of Photography

Every photo depends on three settings working together:

  • Shutter Speed — controls motion

  • Aperture — controls background blur

  • ISO — controls brightness

You don’t need to memorize everything.
You just need to understand what each one does.

Shutter Speed — Controls Motion

Shutter speed determines whether motion looks sharp or blurry.

Think of it like this:

Fast shutter speeds freeze motion.
Slow shutter speeds show motion.

Common Shutter Speeds

Fast — 1/1000 or faster

Use this for:

  • Sports

  • Wildlife

  • Kids

  • Birds

  • Anything moving quickly

Medium — Around 1/250

Use this for:

  • Everyday photography

  • People walking

  • General outdoor shooting

Slow — 1/60 or slower

Use this for:

  • Low light

  • Night photography

  • Creative motion blur

Simple Rule to Remember

If your photo is blurry from movement,
use a faster shutter speed.

Aperture — Controls Background Blur

Aperture determines how much of your photo is in focus.

It’s also what creates that soft, blurry background you see in portraits.

How Aperture Works

Low number (f/1.8 – f/3.5)
Blurry background — great for portraits

Medium (f/5.6 – f/8)
Good general-purpose setting

High number (f/11 – f/16)
Everything sharp — great for landscapes

Simple Rule to Remember

If you want a blurry background,
use a lower f-number.

ISO — Controls Brightness

ISO controls how sensitive your camera is to light.

Higher ISO makes the image brighter, but it can also add noise or grain.

Common ISO Settings

ISO 100–200

Use this for:

Bright daylight

ISO 400–800

Use this for:

Indoors
Cloudy days

ISO 1600 and above

Use this for:

Low light
Night photography

Simple Rule to Remember

Keep ISO as low as possible
for the cleanest image.

Safe Starting Settings (When You’re Not Sure What to Do)

These are reliable starting points when you don’t want to guess.

Outdoors (Sunny)

  • Mode: Aperture Priority

  • Aperture: f/5.6

  • ISO: 100

  • Minimum shutter speed: 1/250

Indoors

  • Mode: Aperture Priority

  • Aperture: f/4

  • ISO: 800

  • Minimum shutter speed: 1/125

Action or Wildlife

  • Mode: Aperture Priority

  • Aperture: f/5.6

  • ISO: Auto

  • Minimum shutter speed: 1/1000

The Three Things to Check Before You Take the Shot

Before pressing the shutter, pause for just a second and ask yourself:

  • Is it sharp?

  • Is it bright enough?

  • Is the background distracting?

If all three look good — take the photo.

Download the Printable Cheat Sheet

If you want a quick reference you can keep with you, I created a one-page version of everything in this article.

You can:

  • Print it

  • Keep it in your camera bag

  • Save it on your phone

  • Use it while practicing

Your Assignment

Go outside and take photos using these three settings.

Try:

  • One photo with a fast shutter speed

  • One with a slow shutter speed

  • One with a low f-number

  • One with a high f-number

Then compare the results.

That’s how photographers learn.

One Photo at a Time.

Next
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The Secret Power of the Canon INFO Button (And How to Fix a “Stuck” Screen)