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| Sigma SD Quattro |
Sigma Corporation of America had announced the new high- performance, compact Sigma sd Quattro and Sigma sd Quattro H mirrorless camera systems with Foveon Quattro sensors in February and has recently hinted to it’s price which is surprisingly low.
The Sigma sd Quattro will sell for just under $800 body-only. It will also be available in a rationally priced bundle with the Sigma 30mm f/1.4 art lens for just $200 more. Unfortunately, there is still no word on pricing or availability for the APS-H Sigma sd Quattro H camera. The Sigma sd Quattro is said to feature an APS-C sized sensor and the Sigma sd Quattro H is expected to tout a larger APS-H sized sensor for greater image quality.
The Sigma sd Quattro will sell for just under $800 body-only. It will also be available in a rationally priced bundle with the Sigma 30mm f/1.4 art lens for just $200 more. Unfortunately, there is still no word on pricing or availability for the APS-H Sigma sd Quattro H camera. The Sigma sd Quattro is said to feature an APS-C sized sensor and the Sigma sd Quattro H is expected to tout a larger APS-H sized sensor for greater image quality.
According to the company both the sd Quattro and sd Quattro H feature similar design aspects with a compact form consistent with the dp Quattro line, making them highly portable and utilising the Foveon Quattro sensor for exceptional imaging quality and fast processing. A magnesium alloy body
makes the sd Quattro and sd Quattro H durable and rugged, while a dust- and splash-proof design makes it ideal for photographers facing harsh conditions. In addition to the new body design, both cameras claim to boast of a list of useful advancements. These include a two-mode Autofocus detection that combines Phase Detection for focus speed and Contrast Detection for focus accuracy.
The focus settings reportedly have also been enhanced with such modes as Movement Prediction, Face Detection, Free Movement, Focus Peaking and a variety of others. The new 2.3 megapixel viewfnder claims to display close to 100% of the feld of view and when placed in “Auto” will toggle between the viewfnder when the user has the camera to their eye and then to the LCD when the user lowers the camera. A new “Super-Fine Detail” mode is said to bring out the full potential of the Quattro sensor by capturing seven different exposures with one shot and merging them for exceptional dynamic range (images can be extracted individually as well). Meanwhile an updated algorithm for the Auto White Balance is said to provide for greater accuracy, even with multiple light sources.
While the sd Quattro and sd Quattro H are similar in physical design details, they stand apart when their Foveon sensors are compared. The company had informed that the sd Quattro utilises the same sensor found in the dp Quattro line and produces image quality comparable to that of a 39 megapixel Bayer-pattern sensor on resolution testing. The stacked silicon Foveon Direct Imaging sensor claims to capture all detail information on the top 19.6 megapixel layer along with all colour information for the Blue channel, while the two fve-megapixel layers below capture Red and Green colour information, all without the need for a low pass flter. Merged together they are said to create incredible image quality that is comparable to medium format fles.
The sd Quattro H boasts a larger APS-H sensor (26.6x17.9mm) than the sd Quattro and can produce images equivalent to that of a 51-megapixel Bayer-pattern sensor camera on resolution testing. The company revealed that the sensor structure is similar to that of the sd Quattro but uses a 25.5 megapixels on the top layer of the sensor that captures the detail information. Both cameras use the latest Dual TRUE III image processor and take full advantage of the Art, Contemporary and Sport line Global Vision lenses that are made for high megapixel cameras. Like all Sigma Cameras, RAW (X3F) data can processed via Sigma Photo Pro, which offers editing options, including Monochrome mode to take advantage of the incredible monochrome images the Foveon sensor captures.
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