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Monday, July 19, 2010

About DSLR

What is DSLR?
DSLR stands for Digital Single-Lens Reflex.

Cross-section view of DSLR system:
(1) 4-element lens
(2) Reflex mirror
(3) Focal-plane shutter
(4) Image sensor
(5) Matte focusing screen
(6) Condenser lens
(7) Pentaprism
(8) Eyepiece

What is Sensor?
Also known as image sensor. In the DSLR, its function is to absorb the lights coming thorugh the lens electronically and convert it into colors for the photo.

What is Shutter?
Shutter is the element in the DSLR that is use as a window. Once the shutter release is pressed. The shutter will mechanically open to allow light pass it and touches the Image sensor.
The amount of time for the shutter to open can be control.

What is Viewfinder?
View finder or eyepiece is a small window which allow the photographer to look into it. By looking into the viewfinder, the photographer can actually see what the DSLR will capture before the photorapher press the shutter  release.

Battery Grip

There are many brands for DSLR
some of the brands are Nikon, Canon, Sony, Olympus, Samsung, panasonic, Sigma, Hasselblad, Yashica, Mamiya, Minolta, Contax, Pentax..
there are number of brands for DSLR in the market.
too many to tell here.

to be continue..
please visit us next week... for more informations..

 How to choose a good DSLR?
Tips to buy DSLR


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