Sigma sd Quattro
Manufacturer description: 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 utilizing 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 boast 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 sd Quattro utilizes 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 captures all detail information on the top 19.6 megapixel layer along with all color information for the Blue channel, while the two five-megapixel layers below capture Red and Green color information, all without the need for a low pass filter. Merged together they create incredible image quality that is comparable to medium format files.
The new 2.3 megapixel viewfinder displays close to 100% of the field of view and when placed in “Auto” will toggle between the viewfinder 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 brings 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 allows for greater accuracy, even with multiple light sources.
|Body type||Rangefinder-style mirrorless|
|Max resolution||5424 x 3616|
|Effective pixels||29 megapixels|
|Sensor size||APS-C (23.5 x 15.6 mm)|
|Sensor type||CMOS (Foveon X3)|
|Lens mount||Sigma SA Bayonet|
|Focal length mult.||1.5×|
|Max shutter speed||1/4000 sec|
|USB||USB 3.0 (5 GBit/sec)|
|Weight (inc. batteries)||625 g (1.38 lb / 22.05 oz)|
|Dimensions||147 x 95 x 91 mm (5.79 x 3.74 x 3.58″)|
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