Digital cameras: guide, features, advantages


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Guide digital cameras, uses, main features and indisputable advantages in modern professional and amateur photography.


Accessories for digital cameras

The sale of digital cameras has experienced a strong boost thanks to the reduction of the costs of compact digital cameras and the growing trust of the end user towards this new way of photographing.

In the guide you will find useful information and tips for buying digital cameras.


In an online shop of camera accessories, you can also find cheap and new compact digital cameras used, able to take beautiful pictures with maximum simplicity.

For those who come from analog reflex photography, it is possible to reuse their own set of lenses on a digital camera body of the same brand, bearing in mind, however, that the same lens mounted on a digital camera increases its focal length: a wide angle of 28 mm for example will be equivalent at a 35mm.

The most important factors to consider are: number of megapixels, lens, digital sensor and internal processing of photographic images.


As far as the pixels are concerned, there are now plenty of them even in the cheapest cameras and it must be said that they mostly define the image format (width x height) according to the use that must be made of it: to do 500,000 pixel images will suffice for amateur DVD presentation photos in DVD quality, for 10 × 15 prints 200,000 pixels are abundant, for 50 × 70 prints 5000000 pixels are sufficient.

The excess definition can be used, processing photos on the PC, to extract details from the oversized image to obtain an enlargement.

The quality of the optics as in the film SLR is fundamental as well as the sensor that has the task of measuring the light providing the correct exposure and the internal processing system more or less sophisticated depending on the price.


Buying digital cameras on the internet can be a good opportunity for all those who want to save money do not want to buy used cameras but are looking for new digital cameras with warranty and accessories at a good price with prior reading of specialized magazines in comparison cameras and technical tests with the aim to choose the best camera on the market within the preferred price range.

Digital cameras have now reached a very wide diffusion, thanks to the countless advantages offered compared to an analog film camera, first of all that of being able to immediately see the photos taken with the possibility of deleting them if not to your liking.

Recommended readings
  • Resolution for digital printing: the best for every format
  • Photography: basics, history from analogue to digital
  • Photo shoot: meaning, what it consists of
  • Digital cameras: guide, features, advantages
  • How to make beautiful landscape photos: tips and techniques

In addition, the digital photographs are ready to be downloaded onto the PC or sent as an attachment to an email.

The CCD, the sophisticated device that is the basis of a digital camera, is made up of photosensitive elements capable of charging electrically if hit by light in proportion to the amount of light input.

Through the passage through a series of electronic filters, specially designed for the three fundamental colors with the task of outlining the chromatic qualities of the final image, these electrical charges will be carefully processed by an internal microchip.

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