What is DSLR and how DSLR works 8 Clear factors:Beginner guide

What is DSLR

What is DSLR Camera?

DSLR Full form is “Digital Single Lens Reflex“. DSLR is an electronic camera that utilizes mirrors that reflect the light of a camera lens into the optical viewfinder (which is an eyepiece that is located on the rear of the camera, which is used to look through to see the subject they are photographing) as well as let the light completely get to an image sensor (which records the image) by moving the mirror out the way.

 DSLRs with single lenses have been around in various shapes and sizes from the beginning of the 19th century using film as the medium of recording The first commercial digital SLR that had an image sensor came out in the year 1991. Contrary to point-and-shoot phones and point-and-shoot cameras, DSLR cameras typically use interchangeable lenses. 

In DSLR there are 8 factors are there for working 

  1. Lens
  2. Reflex mirror
  3. Shutter
  4. Image sensor
  5. Focusing screen
  6. Condenser lens
  7. Penta prism
  8. eyepiece/viewfinder

1.What is lens in DSLR 

8 type of lens
lenses | Source : wikipedia.org

A lens is a photographic tool and it brings light to fixed focal points. The lens in a film camera sends light to the film strip. While the lens directs light into a digital sensor , digital cameras (like DSLRs, mirrorless cameras, and other digital cameras) use the lens .

A lens is an optical instrument that gathers light from the object and mainly focuses it.

Lens is the main part in photography. It is what changes the way we see the world. Lens are a technical tool that helps photographers to select what they want to show. The lens gives a photographer the opportunity to experiment with focal length, angle of view as well as to control distortion and other optical effects. , such as aberrations, diffraction and chromatic aberration.The lens is a physical element of the photographic system that projects light onto the image plane to form an image it is combined with the other optical elements to produce an integrated system that forms an image on a camera’s sensor or film.A lens can be made out of glass

 2.What is Reflex Mirror in DSLR

3d diagram of reflex mirror
Reflex Mirror | Source:wikipedia.org

Reflex Mirror is the part of a DSLR camera that allows light to enter. This is where the sensor, shutter and viewfinder are placed. Reflex Mirror collects the light and then redirects it on to the sensor, which then catches it. The reflex mirror is located on top of the camera in a pentagonal shape. It sends light up, through a prism and into your eye as you look through the viewfinder. .

In contrast to viewfinder cameras where the image can be switched on instantly, the reflex camera allows the photographer to visualize exactly what will be captured by the lens, as opposed to look through a viewfinder where the image can differ substantially from what will actually be photographed. 

3. What is shutter in DSLR

In photography, the shutter is a device through which the aperture of the lens of a camera is opened to let light enter and therefore expose the film to the light, as opposed to the electronic image sensor of a digital camera.

The shutter is the device that opens and closes to control the duration of the light exposure.

Because the shutter speed controls either how much or little light comes in, it has a direct effect on how the picture will turn out.

A fast shutter speed will freeze any motion with a crisp image and a slow shutter speed will blur any motion in the picture. A long exposure time means that there is more light coming in than at a short exposure time. The longer it takes for the photo’s sensor to be exposed to light, the more blurry or ghost-like an image may be

4.What is Image sensor in DSLR

 Image sensor in DSLR
Image sensor | Source:wikipedia.org

A digital camera is made up of two major components: the lens assembly and the image sensor. A lens assembly focuses light onto the image sensor. An image sensor then turns the light into electrical signals that are processed into a picture. Image sensors come in many different sizes, shapes, and resolutions. Some are built using CMOS technology while others are CCDs.

5. What is Focusing screen in DSLR

Focusing screens allow us to see our subject before taking the photo. They help us get the right focus and exposure. We also use them to check if we got an interesting shot. Focusing screens come in many shapes and sizes. Some cameras even offer multiple types of focusing screens. You should choose the type of focusing screen that best fits your needs.

 Focusing screen in DSLR
Camera frame viewfinder screen of vido recorder, recording video screen. Background for record movie. Display with focus, time, battery for videography, surveillance. Template for photography, cinema.

The focusing screens come in different types, and the one you should use generally depends on what you are photographing. For example, if you are shooting landscapes or buildings, you’ll want to use a type of focusing screen that has clear depth-of-field marks (i.e., lines which show how in-focus something is). If you are photographing portraits or close-ups, then your best bet would be a type of focusing screen where it’s easier to see more detail due to a larger area for focus points.

6.What is Condenser lens in DSLR

An optical lens is a device that bends light rays to form images. A condenser is an optical element that converts divergent light rays emitted from a point source into parallel or converging beams to illuminate objects.

Condenser lens is one of the most important components of a DSLR. They are used in focusing light onto the camera sensor and allow it to produce an image. It is mainly used for macro photography, long distance photography and high-resolution photography.

What is Condenser lens in DSLR
Condenser lens | Source:wikipedia.org

Condenser lenses are also able to control the intensity of exposure based on requirements. They change the efficiency with which light is transferred as well as provide additional functionality like image modulation, polarization and illumination optics which are not available with refracting lenses.

7.What is Pentaprism in DSLR

What is Pentaprism in DSLR
Pentaprism | Source:wikipedia.org

A pentagonal prism is a 5 sided prism that deviates light at an angle of 90 degrees, usually used in DSLR cameras between the lens and the viewfinder to present the picture upside down.

8.What is viewfinder in DSLR

An optical viewfinder is an essential tool for photographers. It allows you to frame shots before taking them, and helps you compose images while looking at the scene itself. Optical viewfinders are also useful when shooting video because they let you see exactly what you’re recording. Digital viewfinders are not necessary if you already own a DSLR, but they offer many advantages. You can choose to shoot with a digital viewfinder instead of using the optical version, and you can even attach different lenses to your camera body.


What are DSLRs used for?

DSLR stands for Digital Single Lens Reflex camera. DSLRs are the most popular type of cameras used by professionals and amateurs alike.

How does a DSLR take a picture?

The DSLR camera has many components that make it work, some of which are:

– Mirror: The mirror reflects light from the lens onto a sensor
– Lens: The lens focuses light and controls its angle
– Sensor: The sensor captures and converts light into an electrical signal
– Display screen: Shows what has been captured by the camera

What is the difference between SLR and DSLR cameras?

DSLR as well as SLR cameras reflect light that passes through the lens with mirrors so that an image is visible in the viewfinder. But, an SLR camera utilizes a film made from gelatin, plastic, and various other materials to capture the image. A DSLR can store the image digitally and stores it on memory cards

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