All examples
Landscape — long exposure at blue hour
Demo image — an illustration, not a photograph taken with a specific camera.Demo image for teaching

Landscape — long exposure at blue hour

A mountain lake at blue hour, with smooth water and streaked clouds.

Camera

Not specified

Lens

Not specified

Focal length

18 mm

Aperture

f/11

Shutter speed

30 s

ISO

100

Focus

Manual focus on the far shore

White balance

Daylight

Flash

Not used

Tripod

Used

Why does this photo look like this?

A tripod plus a very long shutter turns moving water and clouds into smooth shapes, while the narrow aperture keeps rocks and mountains sharp.

Look at this

The water has no waves left and the clouds are stretched into lines — both are signs of a long exposure, not of editing.

What would change with different settings

A 1/60 s exposure of the same scene would show ripples and separate clouds.

What happens if you change the settings?

30 s · f/11 · ISO 100

Always check your exposure and adjust settings according to the actual lighting and movement.

These are starting settings, not universal rules.

Always check your exposure and adjust settings according to the actual lighting and movement.