digital camera working

1. DIGITAL
CAMERA

2. • Evolution
• Working of digital camera in brief(video)
• Working of digital camera in detail(according to flow of filters)
• Working of digital camera in more detail ;-)

3. • A camera is anything
that can record/store
images

4. • Camera Obscura.
• Daguerreotype
Problem- It takes upto 15
minutes of exposure
to fully capture the image

6. • Emulsion Plates
It takes 2-3 seconds of exposure
time but had to be made on the
spot.
• Portable cameras

7. • 35 mm film camera.
• Polaroid cameras

8. The era of digital camera

9. Architecture of digital camera

12. Working of Digital camera

16. • Gives no reflection from water.
• Cuts that straight wavelength.

18. • Light focuses on sensor
• Aperture control amount of light entering
• OIS move back and forth for image stabilization

19. • Anti reflection coating

22. • Some cameras- front shutters
• Dslr cameras- behind the 45 deg mirror
• Working of shutter

23. • Sensel- sensing element(to sense)
• Pixel- picture element(for viewing or printing
depends on size of phy device).

25. • 2x green- to mimic the eye spectral response, i.e.
eyes more sensitive to green

26. • Each target sensel color- matrix calculation of 9 adj
cells.

27. • Light/photons falling on image sensor will generate
charge
• Charge is directly proportional to light falling

28. • Stores the charges
from photons

29. • So visible light can easily release electrons

41. THANK YOU