What might go wrong with GX2

Started May 23, 2013 | Discussions thread
agachart Regular Member • Posts: 278
Re: On the sensor and EVF

Revenant wrote:

peevee1 wrote:

Andy Crowe wrote:

4) Old inferior 18-mpix sensor from GH2 - high probability (they promise a "new sensor" in every camera, in most cases it is a lie)

The GH2 sensor has never been advertised as 18mp (you could only ever get 16mp images out of it),

We are not talking about advertizement, we are talking about rumors about specifications - and the GH2 sensor is indeed specified as 18 mpix.

Sure, in the spec sheets it says 18 MP total pixel count, but it also says 16 MP effective pixel count, and that's the number that was quoted in the advertising. In the original press release, for example, you can read about "the newly developed 16.05-megapixel multi-aspect Live MOS Sensor". And that's how people usually talk about the pixel count of sensors. The GH3 or E-PL5, for example, have never been referred to as 17 MP cameras, neither in advertising, reviews or on rumor sites. They're 16 MP cameras, because that's the size of the images they output.

In other words, the GX2 sensor most likely have an effective pixel count of 18 MP. Of course, if you use the entire GH2 sensor, you do get 18 MP, but the image circle doesn't cover the whole sensor, which is slightly larger than a standard 4/3 sensor. The corners of the sensor aren't covered. This suggests a new 18 MP sensor is being used in the GX2.

for a long ,i want to know ,how many size of area image circle ?,please scale to mm/cm

of radius or circle (2*Pi*r)  ,thank very much.

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