hello everyone welcome back to wondershare recover it which is a data recovery tool that
is specifically designed to help users retrieve accidentally deleted files from their smartphones
computers and various other digital devices once again we're back with another exciting episode and
today's video is going to be slightly different let me kick start by asking you a simple question
have you ever used the camera of course if you're living in the 21st century the answer will be a
resounding yes every day millions of people are clicking billions of pictures and sharing them
across different platforms on the internet but have you ever wondered how a camera actually works
how is it capable of capturing a moment and preserving it for centuries behind that simple
click that you hear when you take a picture there are a lot of electronic chips that work together
to create a visual representation of a particular moment so in this episode we're going to dive
deeper into the workings of a digital camera and understand how photography works but before that
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now to understand the workings of a camera you first have to understand how the human eye is
seeing an object the objects that we see are actually light that is traveling from a light
source such as say the sun and it reflects off an object and then it enters our eye and the digital
camera works in a very similar way the reflected light is traveling into the camera rather than our
eye now the first cameras were as big as an entire room and they had a tiny hole on one of the walls
and when the light passed through that small hole it would be reflected into an image upside down
on the opposing wall now these were called pinhole cameras in modern day cameras however things have
changed somewhat today's cameras are able of capturing images in a much less ambient light
the new age digital cameras have a feature called iso which artificially brightens an image by
turning up the signal that is being captured by the sensor in short even if you're standing
in a very low light environment you can simply increase your iso and get a brighter image but
keep in mind though that the higher you go with your iso the more pixelated your image will become
that's why photographers can be extremely cautious with how far they adjust the iso for a given shot
okay now coming into the technical part about the workings of the camera if you've ever used
a digital camera you will know the camera body and the camera sensor can do nothing without a
lens the lens is responsible for accumulating all of the light into a single point in the
camera known as the sensor the lens is dedicated glass that redirects all of the light to the right
point so that everything appears in focus and the image doesn't look distorted of course the
more expensive of a lens you choose generally the better the quality and the more detail within your
pictures but it's also important to point out that the lens is responsible for zooming in and zooming
out on an object you know let's say you want to take a picture of a subject that is relatively
far away from you in that case you can simply zoom the lens in and make the object appear bigger very
quickly the farther away that the lens is from the sensor then the closer the object will appear in
the picture that's a basic principle of every lens available on the market however there are still
several other factors such as the focal length range the autofocus capabilities and the quality
of glass that will decide the overall quality of the image and the price of the lens itself at this
point you already know how a lens accumulates the light onto a camera sensor but the real question
is how is the sensor converting those light rays into a digital image well a sensor has millions
of small pixels which are either red green or blue in color now when the light falls on these pixels
they generate a small electrical charge and then the microprocessor in the camera will read all of
the charges for each pixel and assign a digital value to them the greater the charge the brighter
the pixel the weaker the charge the darker the pixel so while it only takes a fraction of a
second for a camera to produce an image there is a lot of processing that goes on in the background
so that is the basics of how a digital camera works but before we conclude this video let's
quickly take a look at some of the basic tips that will help you use your camera in the right way
if you're an absolute beginner and you've purchased a camera for the very first time the
automatic mode can be a very ideal companion for you if you set the camera into automatic then it
will automatically configure the various settings to try and produce the best picture for you
now in case you want to experiment with the manual mode there are three settings that you can change
shutter aperture and iso and now each will alter the brightness of an image but they also impact
the look of a picture in their own individual way so experiment with these different settings to see
the range of effects that you can create now if you're using a semi-automatic mode you can also
use something called exposure compensation which is sometimes marked as ev comp on your camera now
this will allow you to force the camera to under or overexpose your image to a certain amount in
the event that the camera's idea of how bright it thinks the image should be is different than what
you want and that is everything that you need to know about the basic workings of a digital camera
if you look at the history of cameras it's quite noticeable the digital cameras have undergone
a great transformation in recent years but the working principle of all cameras is still the same
capture light converted to an image once again thank you for tuning in to today's episode if
you found it helpful then don't forget to leave a like and a comment down below
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