Photography for Beginners (The Ultimate Guide)

Part 1: Exposure
Part 2: Aperture
Part 3: Shutter Speed
Part 4: ISO

Part 1: Exposure

For those beginning photography, exposure is key to capturing a great image.

Learning how exposure works will help you to take control of your camera and take better photos. Shutter speed, aperture and ISO are the elements that combine to create an exposure.

As you’ll soon learn, these elements have an effect on more than the exposure. They also cause alterations in depth of field, motion blur, and digital noise.

Part 2: Aperture

Exposure happens in three steps. We will start with the aperture. This is the hole inside the lens, through which the light passes.

It’s similar to the pupil of your eye. The wider the aperture, the more light is allowed in and vice versa.

As the aperture widens, the f/number gets lower and more light is allowed into the camera. This is great for low light.The aperture is the preferred setting to set first, as it directly influences how much of your scene is in focus.
The scale is as follows: f/1.4, f/2, f/2.8, f/4, f/5.6, f/8, f/11, f/16, f/22.

Part 3: Shutter Speed

Once the light has passed through the aperture of the lens, it reaches the shutter. Now you need to decide how much of that light you’re going to allow into the camera.

Ordinarily, you only want a very small fraction of a second (for example 1/250) to prevent motion blur.

Anything from really fast (1/4000) for sports photography to really slow (30 seconds) for night photography.

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