What is Camera
A Camera is a Device which is used to capture still images or to record moving images.
Which are stored in a physical medium such as a digital system or photographic films?
The first photograph of a camera image was made in 1825.
By Joseph Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris.
Cameras are classified into 3 categories
Compact cameras, also known as point and shoot camera.
Most superzoom compact cameras have between 30x and 60x optical zooms. Although some have even further zoom and weight less than 300 grams much less than bridge cameras and DSLR.
These compact cameras use small 1/2. 3″ Image sensor, but since 2008 a few non- interchangeable lens compact cameras use a larger sensor such as 1″ and even AP_S-C.
Such as fulfilling x 100 series, or full frame format such as the sony cyber- shot DSC- R×1 series.
They have computed intelligent Auto, but some high-end point and shoot cameras have PASM (Program, aperture order, shutter order, and manual mode) on the mode dial, raw image format, and hot shoe, none have lens Mounts.
Digital Single Lens Reflex Cameras (DSLRs)
Digital single lens reflex camera is a digital camera that combines the optics and the workings of a single lens reflex cameras with a digital imaging sensor, as opposed to photographic film.
Like a compact camera, DSLR use digital data storage instead of film. Single lens means the cameras is not a range finder.
Reflex means the light entering the lens can be directed either to the sensor or the view finder.
DSLR has a number of highly artificial features not found on most point and shoot or compact cameras.
Mirrorless Interchangeable Lens Camera (MILC), frequently simply Mirrorless Cameras, and sometimes also called EUIC (electronic view finder interchangeable lens) features a Single, removability lens and uses a digital display system rather than an optical view finder.
The word “Mirrorless” indicates that the cameras does not have an optical Mirror or an optical view finder like a conventional DSLR.
But an electronic view finder which displays what the cameras image sensor sees.
Compared to DSLR Cameras, Mirrorless Cameras are mechanically simple and are typically smaller, lighter, and quieter due to the elimination of the moving mirror.
While nearly all Mirrorless Cameras still have a useful shutter, many also have an electronic shutter, which completely eliminates sound.
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