Digital Camera

Introduction:
Talking about Digital Camera,everyone is aware what is the role/function of a digital camera,and for those who are not sure about it,here is a short description.A digital camera captures the moving films or even capture the still photographs.

Difference between various cameras:
Many compact digital cameras have the functionality to capture moving videos,sound and still images.A digital camera can perform various other functions which a routine film camera may fail to do,for example they can display the pictures on the screen instantly.A small memory device can store  thousands of images which can be deleted any moment as and when required.

Types of digital cameras:
There are various types of digital cameras availablt in the market some of them being compact digital camera,bridge camera,digital single lens reflex camera,digital range finders,life scan camera system.Among the above mentioned cameras,most use CCD(Charge Coupled Device).

Technology Used:
Talking in terms of technology,a digital camera can be defined captures video and still photographs in a digital format.These record the photographs based on the sensers that work according to the light available.To record videos,digital cameras do not require any reel,instead they use memory chip for recording purpose.It records data in the form of audio/video format files or images,This data can then directly be sent to the computer system and then can be printed/sent to other devices as and when required.Some latest cameras even have the bluetooth functionality to send and recieve files directly.

Advantages of digital cameras:

• The biggest advantage of a digital camera is the reusability of the memory device used to store images/videos.The data already present in the memory chip can be transferred to the computer system any time,there is no need to wait for the memory to get full before transfer and then after the transfer is complete,the same chip can be used again several times,unlike normal camera films which are made for one time use.
• Digital cameras possess high quality lens for better quality picture.
• They also have the zoom function to focus on the object.
• Along with the above mentioned features it also has the night mode apart from flash which provides better quality image even when used in dark places.