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Technology has advanced in all fields,including the field of digital photography,from digital SLR cameras to mobile phones,through the compact.So much so that many times to leave conventional cameras only home to use the phone as a capture device.

While it is a booming trend,we may be sacrificing a parameter as important as the quality for the sake of convenience.It is true that integrate mobile solvents photographic systems,especially in high-end models,but we must also keep in mind that usually consume the images directly on the screen of the device where the photos may look good,until we go to the computer where other defects are seen.

What is quality?

Although it may be debated,one could define a subjective as the parameter that measures the ability of a camera to record a moment or a situation with a degree of fidelity and detail to meet our expectations.Objectively there are many more arguments that can be used,such as sharpness,noise,distortion,chromatic aberrations,size,definition,color fidelity, etc..And the same could be applied to the video.6 Comparison digital compact cameras

But even appealing to the subjective quality criteria,it is important to note that the widespread use of mobile can sacrifice the levels of detail,sharpness and fidelity that do expect to get a camera.In this comparison,we show some proposed compact machines which,although not large or heavy,offering photographic and video results above you get with a smartphone.

Above all,remember that it all comes down to megapixels.Mobile terminals are 5,8,12 and up to 41 Mpixels,but more is not necessarily better.On the contrary,given the small size of the sensors in camera phones,a greater number of pixels must be treated with caution by the manufacturers.The same happens in the compact,which is not characterized by a particularly large sensor size and are negatively affected by a larger number of photodetectors unless care much optics or processing of the signals received by the sensor.Comparison 5 compact digital cameras

The ISO sensitivity is useful when you can take pictures with low light conditions,but at the same time the sharpness and level of detail of the images obtained is degraded exponentially ISO values ​​from ISO 800 or even 400

About the camera and sensor

There is a direct relationship between the size of the camera and its sensor.If you want to have a particular focal length on a camera with a thickness measured,it is necessary that the optics have that focal length to achieve the desired results.For example,for a focal length of 50 mm using a sensor diagonal 35 mm (size 24 x 36 mm or full frame) need the 50 mm (5 cm) to make target.If we reduce the size of the sensor,to get an angle of view equivalent,we can reduce the focal length.

For example,on the iPhone 4S, with an actual focal length of 4.28 mm,with a sensor of 1/3,2'' (size of 4.54 x 3.42 mm),we have an equivalent focal length of 33 mm (3.3 cm).So,with less than half a centimeter is achieved versatile viewing angle,but at the cost of reducing the size of the sensor.And packaging million photodetectors in a size,it's not easy,and it conflicts with their ability to capture light.


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Digital cameras

Get at least a 2 MegaPixel
Olympus Fujifilm toshiba
use smart medi but i would go for the camera rather than card
cards are cheap now
try the HP 315 Digital Camera. 2.1 MegaPixel, 1.8' color LCD, 2.5x digital zoom, 8MB compact flash memory. USB connector its got a differant memory card but its 1 of the best quality 2.1 MegaPixel
for the price $150

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Canon Canon PowerShot A4000IS 16.0 MP Digital Camera with 8x Optical Image Stabilized Zoom 28mm Wide-Angle Lens with 720p HD Video Recording and 3.0-Inch LCD (Silver)
Photography (Canon)
  • Increased IR sensitivity for astrophotography
  • 16.0 MP CMOS sensor, ISO 100-6400, DIGIC 4 Image Processor
  • Vari-angle 3.0-inch Clear View LCD
  • Remote controller adapter
  • Compatible with EF and EF-S lenses

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  • Avatar princesspeach14 What digital camera would be best for my needs?
    Jul 15, 2009 by princesspeach14 | Posted in Cameras

    I am thinking of saving up to buy a digital camera nothing over about £300 I'm thinking. I would like to use it for :
    - photography in town etc.
    - photographing groups of friends with some nice effects
    - taking photos of myself (vain i know) so hopefully an auto-timer or something would be good
    - and hopefully one that can sit on a stand or a similair accessory

    Thanks ;)

    • Nikon Coolpix L100

  • Avatar Mallory B What is a great digital camera that is around $200 or just a little more?
    Oct 24, 2006 by Mallory B | Posted in Cameras

    Hey guys. I've been looking at digital cameras, because I want a new one for Christmas. I've been looking at the Canon PowerShot SD600, and I like it and everything, but I just want to know if there is an even better one than that. Oh, and I want the camera to have a good flash (I'm not sure if its called that) that doesn't make people look really bright and white, which the old digital camera we have does. Please help! Thanks!!

    • The SD600 is a pretty nice camera. Check out this comparison, though, and read the owner opinions for each camera.

      the same money, you can have a Powershot A630 that gives not only a higher pixel count, b …ory card is a cute little token of thanks from Canon, but not much more. Buy a 1 GB Sandisk Ultra II or Extreme III card. You will NEED the increased capacity and write speed to fully realize the benefits of your camera.