9/13/2011

Underwater Video Camera

By Christine Jackson


Technological advancement started at a very high pace throughout the Twentieth century. Like several other areas of development, digital photography also saw major developments in its field. Photographic camera technologies has seen a constant improvement from way back in 1913 when a 35 mm still camera was produced till 1985 when digital technologies was first launched in photography by Pixar.Basically digital camera is an electronic device which captures and shops photographs in a digital format with out using any processing films.

The very first genuine camera was released in 1988 by Fuji Company.This camera used a memory card for storage purposes. The most recent models of Digital Cameras are also able to record sound and video. These digital cameras store pictures on a little device known as CCD (Charge Coupled Gadget). From Digital cameras the images can be transferred to pc and also the images can be edited with the help of software like Adobe Photoshop.

Advantages of digital cameras

Convenience of use: The foremost benefit of using the digital camera is that you don`t need to worry about purchasing films and changing the rolls.

You can click as many photos you would like, transfer these to computer, have a close look at them and get only the good ones printed after editing them completely.

Edit options: The Digital cameras permit you to modify the pictures within the simplest way with the help of software program. The color, brightness and contrast with the photo can be adjusted and also the image can be cropped and resized as required. This helps to optimize the resolution of the photographs.

Economical: Digital cameras are economical in the sense that they do away with the cost of films and also the cost of processing. When pictures are taken in bulk quantity the cost of films saved works out to a substantial amount.

Flexibility: You can see the photo you have just clicked on the LCD display of the Digital Camera and in the event you don`t like it you can retake the same.

Disadvantages of digital cameras Quality of output: For professional reproduction purposes the standard film camera continues to be the very best as digital cameras can't match them in resolution and depth high quality.

Initial Price: The initial investment price for digital camera is higher than the photo film camera. The price of the camera for house use runs from around US$ 150 to $1000 whereas the professional models cost may go as high as US$20000.

Slower Speed: Digital cameras take some time for storing the images which is unsuitable for action photography in which you'll need extremely fast clicks.Essential featuresThe digital camera quality largely depends upon its optic functions, color depth, resolution etc. Whilst buying to get a digital camera one ought to take care of following.

High Resolution: Resolution of a digital camera depends upon its capacity to store the dots or pixels. The more pixels it can store the greater will be the resolution. Cameras having a capacity of 5 mega pixels or more are ideal for home photography while expert photographers might look for a capacity of much more than 7 mega pixels.

Capacity: The capacity of the digital camera to store pictures is also very important. The cameras have a built in memory capability and extra memory card slot to store pictures. The cost of the memory cards is high but nevertheless they are extremely important to serve the purposes of storage.

Bit Depth: This relates to the color capability or the capacity of a digital camera to reproduce colors. Excellent cameras are capable of handling 24 bit color which fulfills the range of the human eye.

Optics and zoom features: A superb camera must have optical zoom lenses with automatic flashes in order to produce better pictures.

Display: A great LCD show is important to get a digital camera because it allows the user to flip through the pictures he has taken.The digital camera is definitely becoming more and more popular in the modern era and is set to replace the standard ones for all general purposes.






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