Sigma Announces its New sd Quattro H

The camera uses a newly developed
APS-H sized Foveon X3 Quattro sensor

SIGMA has revealed the Sigma sd Quattro H, its first camera to make use of the newly developed APS-H sized Foveon X3 Quattro sensor, which it promises can resolve at the equivalent of 51 million pixels.

Unlike most sensors, which are structured in a single layer and covered by a Bayer filter mosaic, the Foveon X3 has no low-pass filter and instead captures full-colour data at each pixel using a sensor with three layers. Thanks to this structure Sigma claims the sd Quattro H can generate up to twice the resolution data of cameras with Bayer filters.

Another prominent feature is the combination of two autofocus methods, phase detection for superior speed performance and contrast detection for better focusing accuracy – using them together ought to create fast and precision focus. The sd Quattro H will be able to shoot up to eight shots continuously while saving in raw formats, at 4 frames per second.

On the outside, the sd Quattro H uses the same body as last year’s APS-C sd Quattro. It has a mirrorless design with a 2.36-million dot electronic viewfinder working alongside a 3in main LCD on the back. It also features a handy smaller sub-monitor that displays important information – the number of remaining shots on the SD card, shutter speed, aperture, ISO and so on. Both are set into a tough magnesium alloy body, designed with seals and O-rings throughout to be dust- and splash-proof, with an additional dust-protector on the lens mount.

A 3in main LCD is joined by a
monochrome OLED display

Located next to the shutter button, a Quick Set button provides instant access to the Quick Set Menu, allowing the user to adjust commonly used settings quickly without having to step away from the viewfinder. There’s also a ‘Lock’ switch on the top of the body, preventing the accidental changing of settings while shooting.

The buttons that are locked with this switch can also be customised. Featuring the Sigma SA-mount, the new camera is compatible with all of the Sigma lenses in the Contemporary, Art and Sports lines. The Sigma sd Quattro H is available at a recommended retail price of £1,499.99.

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