Digital camera is very comfortable and useful. We can take many photos more than normal camera,cause it has to have a film,and fix a number of photo.Use Digital camera we also can do a lot of thing by it,such as zoom by itself and saved , it has a memory stick,can connect with your own computer so that it’s easy to use.
A digital camera is a camera that takes video or still phot ography, or both, digitall y by recording image s via an electronic image sensor.
Front and back of a Canon PowerShot A
Many compact digital still cameras can record sound and moving video as well as still photographs . In the Western market, digital cameras outsell their 35 mm film counterparts.
Digital cameras can do things film cameras cannot : displaying images on a screen immediately after they are recorded, storing thousands of images on a single small memory device, recording video with sound, and deleting images to free storage space .
Digital cameras are incorporated into many devices ranging from PDAs and mobile phones ( called camera phones) to vehicles . The Hubble Space Telescope and other astronomical devices are essentially specialised digital cameras .
A CCD image sensor ! Methods of image Capture : ) =^___^=
How can it change the world ?
Digital camera is very covenience for people in nowadays. The technology keeps going and develop all the time.People have to follow and learn how to use it ,cause it’s important in theseday.Digital camera help the word,like save money for film ,anything.
What life was like before ?
Normal camera had to use the film and it fixed the number of photos.It couldn’t see a photo that you took at that time,cause you had to print it first. It could do nothing.
It just took a photo.That’s all.
The future ?
Digital camera maybe can play games , can play the internet, can chatting with friends, have bluetooth and share your photos with friends by itself. So many thing to think what it gonna be .