Film and Digital Photography

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There are several key differences between a film camera and digital camera. For instance, a film-based camera records images directly onto a light-sensitive coated film, while a digital camera records images (via an image sensor) onto flash memory cards. 

A digital camera comes with an LCD display which can be used for viewing images immediately after you have taken the shot, whereas for film, you have to bring it to a photolab for developing before you can see the picture There are many differences between film and digital photography. To most amateur photographers they do not matter much. They prefer the convenience, ease of use and lower cost of digital cameras and are not going to revert to the film age. However understanding the differences can help taking even better photos and can also help when debating with friends about the future of film. Following is a list of differences that are important to understand. The differences are listed in no particular order. The sensor: The most obvious difference between film and digital is the sensor used to take the photo. With film cameras a film sensitive to light is placed behind the lens. When a photo is taken the shutter opens for a predetermined period of time and light hits the film. The result is a photo "printed" on the film. To take a new photo the film has to be rolled and a fresh "clean" film is place behind the lens. With digital cameras a fixed electronic sensor (sometimes known as CCD) is situated behind the lens. The sensor is built from tiny light sensitive sensors each representing a pixel. When the shutter opens light hits the sensor and each pixel gets its "value". Put together all the pixels comprise one photo. To take a new photo the photo is saved on a digital media and the CCD is electronically emptied. What does a different sensor mean? The main difference is in the Depth of Field. Since digital sensors are smaller in size than a 35mm film the depth of field will be much higher and in fact...
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