Download - Digital photography
DIGITAL PHOTOGRAPHY
WHAT IS DIGITAL PHOTOGRAPHY?
• Digital photography is one of several forms of digital imaging. It uses an array of electronic photo detectors to capture the image focused by the lens, as opposed to an exposure on photographic film. The captured image is then digitized and stored as a computer file ready for digital processing, viewing, digital publishing or printing.
• simpled word :it is photography where the image is exposed, captured and stored electronically rather than on film.
DIGITAL CAMERA
WHAT IS DIGITAL CAMERA?
A digital camera is a camera that stores the pictures and video it takes in electronic format instead of to film.
EXAMPLE:compact,DSLR and
DSLM
Digital Camera & Its Controls
FRONT VIEW
DSLRDSLR
BACK VIEW
DSLRDSLR
DSLMDSLM
Similarities Between SLR &
DSLRCATEGORY SLR&DSLR
Optical Viewfinder
Yes
Manual Controls
Yes
Lenses Interchangeable
Differences Between SLR & DSLRCATEGORY SLR DSLR
Technology Reflex mirror that allows live optical viewing through the lens taking the image.
Reflex mirror that allows live and digital optical viewing through the lens taking the image.
Storages devices
Camera Film (36 images per roll of film)
Memory cards (Thousands of images)
Shutter Speed
1-1/1000 s 1 – 1/4000 s
Video Captures
No Yes
Live Preview No Yes
Reusability Images cannot be erased, and the film cannot be reused
Images can be erased; card can be reused for a new set of pictures
Similarities Between DSLR &
DSLMCATEGORY DSLR&DSLM
size sensor
same
image quality
excellent
video yes
Differences Between DSLR & DSLMCATEGORY DSLR (Nikon D3300) DSLM (Samsung
NX300)
Size and Bulk larger (to fit mirror&prism)
smaller than DSLR (mirrorless)
Complex Mirror and Shutter Design
have a noise when picure its taken, prone to dust
quiter when picture was taken, less prone to dust
Autofocus ability
Phase detection: Very fast .Contrast detection in live view: slow
Phase & Contrast detection. Fast.have hybrid AF
viewfinder Optical viewfinder (OVF)
Electronic viewfinder (EVF)/LVF
shutter speeds
1 – 1/4000 s 30-1/6000s
ISO range 100-3200 100-25600
Touchscreen No yes
DSLR Mode Dial have 2 catagories:
I.Full Automatic II.Scene Modes
CA
NO
NN
IKO
N
Program Mode (P):Exposure is automatic, but you can manually control settings like ISO, white balance and color modeAperture Priority Mode (A or Av): You pick a lens aperture (the lens opening), all else is automaticShutter Priority Mode (S or Tv) : You decide how long the shutter is open (shutter speed), all else is automaticISO Priority Mode (Sv): You pick an ISO, all else is automatic (a limited feature available on only a few DSLRs)Full Manual Mode (M) : You're on your own.
SLR mode
DSLR mode
SCENE MODES
Exposure Mode: Auto
Exposure Mode: Auto Flash Off
Exposure Mode: Potrait
Exposure Mode: Landscape
Exposure Mode: Sports
Exposure Mode: Close Up
Exposure Mode: Night Potrait