DSLR Full Form

By | October 5, 2021
DSLR Full Form

DSLR Full Form

DSLR: Digital single-lens reflex

DSLR is a digital camera that stands for digital single-lens reflex and comes with other compatible lenses that can be switched as and when to the user’s choice. DSLR is a unique blend of optics and mechanism of single-lens reflex with the modern digital imaging sensor. A digital camera wherein a mirror directs the light from the lens to viewfinder. The viewfinder is situated on the back of the camera that is typically a hole allowing to get a sneak peek of the image to preview it before capturing it. 

Parts of a DSLR Camera:

These are the major units that constitute a DSLR camera:

  • Lens
  • Reflex mirror
  • Shutter
  • Image sensor
  • Matte focusing screen
  • Condenser Lens
  • Pentaprism
  • Eyepiece/Viewfinder

Functioning of DSLR?

  • Light upon entering the camera lens hits the reflex mirror.
  • The reflex mirror resonates/reflects the light vertically upward onto the focusing screen.
  • Through the focusing screen, the light gets in the pentaprism (a block of glass).
  • Pentaprism deflects the light over two separate mirrors diverging it towards the viewfinder
  • Viewfinder provides with the live and natural preview of the image.
  • The reflex mirror is flipped upward, blocking the vertical path of light to maintain the straight path onto the image sensor when the button is pressed to capture the picture.
  • When you click the button to take a photo the reflex mirror flips upward and blocks the vertical path of light to keep it straight towards the image sensor.
  • Light reaches the image sensor when the shutter opens up.

A DSLR camera has several advantages over a simple digital camera:

  • It provides a faster mode
  • Gives high-quality pictures 
  • Interchangeable lenses that can be switched
  • Has an optical viewfinder
  • Has a large ISO range
  • Easy editing options
  • Low noise
  • Faster focusing 
  • High quality in low light
  • Ability to use filters and many options
  • Dust removal system

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