Use of Shutter Speed while capturing waterfalls

For capturing subjects like waterfall, where capturing the flow of water gives an artistic effect, it is advisable to use a very slow shutter speed.

Effect of Shutter Speed on Motion Blur

Fast shutter speeds will “freeze” motion, while slow shutter speeds introduces blur and shows the movement

Effect of Shutter Speed on Exposure

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Shutter Speed Concept Illustrated

Shutter speed is the Measurement of the time the shutter is open, in seconds or fractions of a second. It is expressed as fractions of a second as 1 s, 1/2 s, 1/4 s … 1/250 s, 1/ 500 s. The faster the shutter speed, the shorter the time the image sensor is exposed to light and less is the exposure assuming rest all settings are same. Increasing shutter speed by one step halves the amount of time the shutter is open and vice verse.

How Shutter Speed Works

More on Depth Of Field

Effect of Aperture on Depth Of Field

Smaller the aperture size greater is the DOF. Which also means higher the f stop, higher the depth of field. F16 will produce greater DOF than F8.

Effect of Aperture on Exposure

More on Aperture Concept

Aperture Concept Illustrated

The higher the f-number, the smaller the aperture and the less is the light that passes through the lens. Opening one full f-stop doubles the amount of light. Closing down one full f-stop halves the amount of light passing through the lens and halves the brightness of the image that falls on the image sensor.

A for Aperture

Aperture is the size of opening for lens, which controls the brightness of the image that passes through the lens and falls on the image sensor. It is expressed as the F-stop, f/1.4, f/2, f/2.8, /f4, f/5.6, f/8, f/11, f/16, f/22, or f/32.

Know Your Camera