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By admin, on February 17th, 2014
The big problem that Sigma was facing with its Foveon Sensor technology was noise, the previous generation of Foveon sensor show excellent color output at base ISO but significant amount of visible noise starts at ISO 1600 and image become unusable at ISO 3200.
Now Sigma patent a new type of sensor technology that composed of normal and highlight pixels to capture more light and create less noise at High ISO range.
For more details take a look below (machine translated)
- Patent Publication No. 2013-81154
- Publication date 2013.5.2
- Filing date 2011.7.26
- Applicant Fobeon, Inc.
- U.S. Provisional Patent Application No. 61/511, 661 No.
- Foveon patent
- With pixels having different sensitivities imaging device
- First pixel usually pixel
- Second pixel highlight pixels
- Opening is narrow, (saturation is slow) sensitivity is low highlight pixel
- To correct overexposure by referring to the second pixel of the peripheral pixel overexposure
- And the average value of the pixels which are not overexposed, the ratio of the pixel overexposure and weighted average
Also see more details about recently announced sigma dp series camera with optimized high performance APS-C sensor – Sigma DP2 Quattro – Price and Press Release
By admin, on December 17th, 2013
We already published a list of possible sigma lenses coming in 2014 – see here, but today we have got more confirmation – according to latest rumors Sigma may announce a new 135 f/2 DG OS Art series prime lens in 2014 (Possibly around Photokina in September 2014).
+ Sigma may also announce a new high-end DSLR in 2014 with a newly developed Foveon Sensor – Sigma FullFrame Foveon sensor and New Lenses Coming [Rumor]
STAY WITH ON FACEBOOK | TWITTER | GOOGLE+ to get live news + rumors 24X7.
src-CR.com
By admin, on December 11th, 2013
According to latest rumors Sigma mirrorless interchangeable-lens camera is due to be announced in 2014 + Sigma is also working on a Foveon Fullframe sensor.
We also have list of lenses floating on net from early 2013 and expected to be announced on first half of 2014,
Sigma 24mm f/1.4 Art
Sigma 24-70mm f/2 OS Art
Sigma 50mm f/1.4 Art
Sigma 135mm f/1.8 OS Art
Sigma 300mm f/2.8 OS Sports
Sigma 400mm f/2.8 OS Sports
Sigma 500mm f/4 OS Sports
Sigma 600mm f/4 OS Sports
An ultra-wide prime lens?
Take it as grain of salt, we will update you soon as we get any new information.
src – sigmarumor
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