Tag Archives: resolution

Measuring Resolution, Nyquist and Aliasing.

Posted on March 10, 2011 by alisterchapman

When measuring the resolution of a well designed video camera, you never want to see resolution that is significantly higher than HALF of the sensors resolution. Why is this? Why don’t I get 1920 x1080 resolution from an EX1, which … Continue reading →

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Download and print your own test charts.

Posted on February 27, 2011 by alisterchapman

Clearly these will never be as good as, or as accurate as properly produced charts. Most home printers just don’t have the ability to produce true blacks with razor sharp edges and the paper you use is unlikely to be … Continue reading →

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When is 4k really 4k, Bayer Sensors and resolution.

Posted on January 20, 2011 by alisterchapman

When is 4k really 4k, Bayer Sensors and resolution. First lets clarify a couple of term. Resolution can be expressed two ways. It can be expressed as pixel resolution, ie how many individual pixels are there on the sensor. Or … Continue reading →

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Why is Sensor Size Important: Part 2, Diffraction Limiting

Posted on May 16, 2010 by alisterchapman

Another thing that you must consider when looking at sensor size is something called “Diffraction Limiting”. For Standard Definition this is not as big a problem as it is for HD. With HD it is a big issue. Basically the … Continue reading →

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