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Tag Archives: sensor
PMW-F3 and FS100 Pixel Count Revealed.
This came up over on DVInfo. An F3 user was given access to the service manual to remove a stuck pixel on their F3. It was found in the service manual that you can address pixel manually to mask them. … Continue reading
Measuring Resolution, Nyquist and Aliasing.
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
Are Cosmic Rays Damaging my camera and flash memory?
Earth is being constantly bombarded by charged particles from outer space. Many of these cosmic rays come from exploding stars in distant galaxies. Despite being incredibly small some of these particles are travelling very fast and contain a lot of … Continue reading
When is 4:4:4 not really 4:4:4.
The new Sony F3 will be landing in end users hands very soon. One of the cameras upgrade options is a 4:4:4 RGB output, but is it really 4:4:4 or is it something else? 4:4:4 should mean no chroma sub-sampling, … Continue reading
When is 4k really 4k, Bayer Sensors and resolution.
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
Micro 4/3, Super 35, DSLR and the impact on traditional Pro Camcorders.
Micro 4/3, Super 35, DSLR and the impact on traditional Pro Camcorders. I was asked by one of this blogs readers about my thoughts on this. It’s certainly a subject that I have spent a lot of time thinking about. … Continue reading
Why is Sensor Size Important: Part 2, Diffraction Limiting
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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Tagged blur, diffraction, limiting, pictures, resolution, sensor, size, soft
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Why Is Sensor Size Important: Part 1.
Over the next few posts I’m going to look at why sensor size is important. In most situations larger camera sensors will out perform small sensors. Now that is an over simplified statement as there are many things that effect … Continue reading
The Great CMOS Debate. More on CMOS vs CCD.
Until a couple of years ago CMOS sensors were definitely the underdog, they tended to be very noisy due to electrical noise generated the on chip by the readout circuits and A/D converters. In addition they lacked sensitivity due to … Continue reading