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The size of camera’s sensor can directly affect image quality!
I just read a post about a new cameraphone sensor to take terrible, terrible 1080p video on MobileCrunch. iPhone camera sensor supplier OmniVision has developed a 14MP HD sensor for camera phones, ignores that tiny sensor size can cause bad low light performance.
What is camera sensor?
Camera sensor is the heart of any digital cameras. When you take a picture, light strikes a sensor through lens, then the image is recorded. In 35mm term, the sensor is “film”.
How does it affect image qaulity?
A sensor is made up of tiny receptors or pixels that record light. It works like an array of buckets that collect light, and the amount collected is turned into an electrical charge and converted into data.
When your camera comes with tiny sensor and high pixel counts, the pixels are much smaller and cause higher image noise and lower dynamic range. Larger pixels are more sensitive to light, results in better image quality.
Expected to launch this summer, next generation iPhone would feature a 5MP pixel sensor and utilize a technique called backside illumination in order to maintain and increase the sensitivity of smaller pixels.
When it comes to image quality, remind yourself not paying too much attention to camera’s megapixels, as more megapixels isn’t necessarily better. It’s the pixels quality that matters.
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