DSLR Full Form

What is the Full form of DSLR?

The full form of DSLR is the Digital single-lens reflex. These DSLR’s are versatile digital cameras whenever it comes to total adjustments for skilled photographers. DSLRs are a combination of an SLR (single-lens reflex camera) aspect and a digital back camera that substitutes photographic film.

Various elements of DSLR

The main components of digital single-lens reflex cameras are

  1. Lens
  2. Shutter
  3. Reflex mirror
  4. Condenser lens
  5. Pentaprism
  6. Viewfinder
  7. Mate focusing mirror
  8. Image sensor

Working principles of DSLR

  • Through the prism, light enters the camera and hits the reflex mirror
  • The reflex mirror vertically reflects the light upwards to the focusing screen
  • Light passes via the focusing display and reaches the block of glass that is a pentaprism
  • The pentaprism focuses the light via two different mirrors and then diverts it to the viewfinder
  • The viewfinder offers viewers a live picture preview
  • The reflex mirror now flips upwards after users press the button to capture an image and prevents the vertical path of light from holding it straight towards its image sensor
  • The shutter will open and the light will enter the image sensor

Advantages of DSLR cameras over regular digital cameras

  • DSLR image quality in low light is good compared to a simple digital camera
  • The choice of interchangeable lenses available in DSLR cameras
  • In comparison to a simple digital camera, image editing is easy
  • As compared to simple digital cameras, a DSLR camera has a wide ISO range, low noise and quick focusing
  • It has a better autofocus feature
  • It uses little power, hence battery life is extended


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