What is a Camera?
A camera is an optical instrument that captures a visual image. At a basic level, cameras consist of sealed boxes (the camera body), with a small hole (the aperture) that allows light through to capture an image on a light-sensitive surface (usually a digital sensor or photographic film). Cameras have various mechanisms to control how the light falls onto the light-sensitive surface. Lenses focus the light entering the camera. The aperture can be narrowed or widened. A shutter mechanism determines the amount of time the photosensitive surface is exposed to light.
The still image camera is the main instrument in the art of photography. Captured images may be reproduced later as part of the process of photography, digital imaging, or photographic printing. Similar artistic fields in the moving-image camera domain are film, videography, and cinematography.
The word camera comes from camera obscura, the Latin name of the original device for projecting an image onto a flat surface (literally translated to "dark chamber"). The modern photographic camera evolved from the camera obscura. The first permanent photograph was made in 1825 by Joseph Nicéphore Niépce.
Types of Cameras.
There are two types of camera’s,
DSLR.(Digital Single-Lens Reflex)
Mirrorless Cameras
What is a DSLR?
First of all, what does DSLR stand for?
DSLR is the abbreviation for Digital Single Lens Reflex.
Digital means that the camera operates with a fixed, digital sensor.
Single-lens means the camera uses the same lens for framing, focusing, and taking the photograph. This is different from rangefinder and twin-lens-reflex constructions. With those types, you can’t see the exact view from the lens that will take the shot. Instead, you need to rely on other methods for setting up the shot.
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What is a mirrorless camera?
A mirrorless camera is a type of camera that works without a reflex mirror. Light passes through the lens directly to the digital sensor, which then displays your image on the camera’s LCD screen, allowing you to adjust settings and preview your image before its shot. While previously not considered an interchangeable-lens camera, modifications and advancements have paved the way for more mirrorless lenses, bringing this camera to the forefront of customizable photography.
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