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What You'll Learn After This:

Understanding How Camera Works

Photography is a fascinating blend of art and science, and at the core of this captivating craft lies the intricate workings of a camera. Whether you’re just starting your photography journey or looking to refine your skills, understanding the fundamentals is key. In the upcoming FDS Masterclass, we’ll unravel the mysteries behind how cameras work, exploring different types like digital and 360-degree cameras, dissecting their components, and delving into the exposure triangle.

Exploring Different Parts Of A Camera

To understand how a camera works, firstly we need to learn about different components of a camera and their purpose before discussing how a camera works. A camera is a complex device with several key components working together to capture images. Here’s an overview of the different parts of a camera:


The lens is the eye of the camera, responsible for focusing light onto the image sensor. Different lenses offer various focal lengths and apertures, allowing for creative control over the composition and depth of field.

Image Sensor

The image sensor is a crucial component that converts incoming light into an electrical signal. In digital cameras, it captures this signal as digital data, forming the basis for the final image.


The shutter is a mechanism that controls the duration of time the image sensor is exposed to light. It opens and closes to capture a specific moment in time. Shutter speed is a key element of the exposure triangle.


The aperture is an adjustable opening in the lens that regulates the amount of light reaching the image sensor. It also influences the depth of field, determining how much of the image is in focus.


In traditional cameras, the viewfinder is an optical device that allows the photographer to compose and frame the shot. In digital cameras, an electronic viewfinder or LCD screen serves the same purpose.

LCD Screen

A digital camera typically features an LCD screen for composing shots, reviewing images, and navigating through the camera’s menu settings.

Mode Dial

The mode dial allows you to select different shooting modes, such as manual, aperture priority, shutter priority, or automatic. Each mode provides varying levels of control over exposure settings.


The built-in flash or external flash unit provides artificial light when natural light is insufficient. It helps illuminate the subject and is especially useful in low-light conditions.

Memory Card Slot

The memory card slot is where you insert the storage card to save captured images. Different cameras support various types of memory cards.

Battery Compartment

Cameras are powered by rechargeable or disposable batteries. The battery compartment is where these batteries are inserted.

How Digital Camera Works

Understanding these different parts is crucial for utilizing a camera effectively and understand how digital camera works. In the FDS Masterclass, we’ll delve into each component, exploring their functions and how they collectively contribute to creating impactful and visually stunning photographs. Now let’s dissect the entire process of how camera works when we are clicking a picture:-

Light Enters Through The Lens

The journey begins as light from the scene enters through the camera lens. The lens, acting like the eye, focuses this light onto the camera’s image sensor.

Image Sensor

The image sensor, typically a digital sensor in modern cameras, is a crucial component. It converts the incoming light into an electrical signal. In film cameras, instead of an image sensor, a photosensitive film would capture the light.

Exposure Settings

The amount of light reaching the image sensor is controlled by three main settings known as the exposure triangle:

  • Aperture: Adjusts the size of the opening in the lens.
  • Shutter Speed: Determines how long the shutter remains open.
  • ISO: Regulates the sensitivity of the image sensor to light.

These settings collectively govern the exposure of the image, influencing its brightness, sharpness, and depth.

Shutter Mechanism

The shutter mechanism regulates the duration of time that light is allowed to reach the image sensor. When you press the shutter button, the shutter opens for a specific amount of time, exposing the image sensor to light.

Digital Processing (In Digital Cameras)

In digital cameras, the electrical signals produced by the image sensor are converted into digital information. This digital data is then processed by the camera’s internal electronics to create a final image file.

Viewfinder Or LCD Display

In traditional cameras, the viewfinder allows you to preview the scene and compose your shot. In digital cameras, an LCD display serves the same purpose, showing a digital preview of the image.

Capturing The Image

When you press the shutter button, the camera captures the image. In film cameras, this exposure is onto photosensitive film. In digital cameras, it’s the creation of a digital file stored on a memory card.

Comprehending the fundamental principles of photography lays the groundwork for anyone looking to delve into the captivating world of image capture and learn how digital camera works. These principles form the backbone of the photographic process, influencing how light is harnessed, exposure is controlled, and images are ultimately crafted. In the upcoming FDS Masterclass, we are not merely scratching the surface but diving deep into these concepts and going into details that transform a mere click into a work of art.

Our masterclass is designed to be more than a theoretical exploration. It’s an immersive journey where participants will not only grasp these concepts but gain practical insights and hands-on experience. Picture this: instead of just hearing about shutter speed, aperture, and ISO, you’ll be adjusting these settings on your own camera, witnessing firsthand how they shape the outcome of your photographs.

Through interactive sessions, live demonstrations, and personalised guidance, the FDS Masterclass aims to empower you with the skills and knowledge needed to master the art and science of photography. Whether you’re a novice eager to understand the basics or an enthusiast seeking to refine your techniques, this masterclass is tailored to meet you where you are in your photographic journey.

Expect to explore how camera works, and the intricacies of different camera types, dissect the exposure triangle, and gain a profound understanding of each component of your camera. The masterclass is not just about taking better pictures; it’s about unleashing your creative potential elevating your photography to new heights and answering how a camera works.

Join us on this immersive learning adventure, where theory meets practice, and every concept transforms into a tool in your career. Enroll in the FDS Masterclass to go on a journey that goes beyond the classroom, turning theoretical knowledge into practical mastery. Let’s make every click a deliberate step towards capturing the extraordinary.