January 11, 2021
Digital cameras were first introduced in 1975, however, they didn’t go mainstream until the early 2000s.
Today, digital photography has surpassed film photography by leaps and bounds as the format of choice, with few exceptions. Thanks to ever-improving smartphone technology, the quality of digital photos taken on some smartphones far exceeds that of mid-range digital cameras.
But what is digital photography and how does it differ from film or analog photography? For starters, a digital camera doesn’t require film — instead, it requires a rechargeable battery to power it and a memory card to capture images. The basic principles are the same regarding shutter speed, aperture, ISO to create exposures, and an eye for creating compositions.
Film is a strip of plastic coated with gelatin emulsion layer with microscopically tiny light-sensitive silver halide crystals. The film’s sensitivity to light is referred to as the ISO. Film is available in many sizes to fit different cameras, varying number of exposures (24 and 36 are the most common for 35mm), and ISOs, as well as negative and slide formats.
Film captures images at different resolutions while digital cameras have electronic sensors that perform these same functions. Just as you can’t take photos on a film camera without film, a storage device (e.g. SD card) is necessary to take pictures on a digital camera. And then you end up with file formats like JPEG, TIFF, PNG, SVG and others that don’t exist in film photography.
There are pros and cons of film cameras vs. digital models, although this isn’t an objective thing because like any other topic, people have different viewpoints about photography.
Instead of waiting for the photo lab to return your pictures, digital photography makes it possible to see images instantly and post them to social media sites immediately. If you don’t like the results, you may be able to retake the picture, depending on the situation.
Photography is a magical medium because it captures moments in time, connecting the past to the present, regardless of whether you opt for film or digital!
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July 20, 2021
July 20, 2021
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