Online Tutorials: Sensors
Darren Smith Photography's photographic tutorials are aimed to teach anyone interested in photography the basics in how to operate their camera and what to consider when you move beyond taking "snaps".
This video is all about the sensor of a camera or device and how it affects your photographs.
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full transcript of the video above
Hello and welcome to the Darren Smith photography tutorials.
This video is all about your camera sensor.
The sensor is what records the photograph taken with the camera, those who shoot with traditional film, this is a direct equivalent
Camera sensors have improved drastically over the last 20 years with regards to their sensitivity and clarity, for example, my first digital camera which I bought in the year 2000 had a pixel density of less than 3 mega pixels. Modern sensors range up to 50 mega pixels
Modern sensors have ISO ranges of up to 102000 which is extremely sensitive compared to the maximum from the year 2000 of 1600 that's roughly 64 times more sensitive and much better in low light conditions.
Digital cameras can also be found on a range of devices including mobile phones tablet, computers, mirror-less cameras and SLR. Each camera type has its advantages and its disadvantages for example mobile phone cameras are always available and their capabilities are increasing year-on-year this explains the 1.3 trillion photographs taken last year using mobile phones leading to over 80% of all photographs taken. This also explains why so much investment in mobile phone technology takes place with the big companies you may be wondering why am I telling you this am I not just putting myself into business well let's just say mobile phone does a great job however hiring a photographer is a service. Maybe we could buy a coffee from a vending machine it's drinkable but not as nice as sitting in a café with a handmade coffee from a trained barista, that's about the equivalent of an SLR as well as the mirror less cameras we'll have a much larger sensor and have much more control over the picture being taken the largest sensor will gather light more efficiently, but they are often much more bulkier and heavier to carry around than a mobile phone.
One thing to note about these types of camera, a larger sensor can have more pixels on it,increasing the capabilities of the sensor, alternatively the pixels can be larger and not so close together increasing the light sensitivity of the sensor and increasing the ISO capabilities of the camera.
The illustration shows the size difference of sensors from and camera types every year higher resolution cameras are put on sale even higher pixel densities and higher ISO ratings
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