Sigma has joined the full-frame mirrorless camera market with the introduction of the 'fp' which is compatible with L-mount lenses. 

Sigma say the camera is the world's smallest and lightest mirrorless FF camera available, and are calling it a pocketable full-frame camera.

The camera has a 24.6mp BSI-CMOS sensor, which uses a Bayer filter (not Foveon), and ISO ranges from 100-25600, which is expandable, Eye AF is supported and there's an electronic shutter. The video above also shows several compatible accessories, including a grip that can be attached, a flash hot-shoe attachment, plus a viewfinder attachment. 

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Images, which are captured as 14-bit DNG files, can be shot continuously at 18fps and the fp has impressive video controls, too, offering several advanced features and the ability to capture 12-bit 4K UHD DNG video. 

The fp will be available this Autumn. Price TBC. There are a range of accessories available for the camera - see the FP series accessories page.

From Sigma:

The environment that surrounds shooting and art creation is undergoing radical changes. In this day and age when one user may have both a high-performance interchangeable lens camera and a smartphone camera, using them flexibly according to specific purposes and settings, SIGMA stopped and questioned the inherent value of a digital camera.

As a result, SIGMA set itself to develop a user-oriented digital camera that reflected the idea of “how a camera can be” in a more flexible and true-to-life manner, without conforming to manufacturers' ideas of camera-centric categories and hierarchy.

Pocketable full-frame - Impressive portability and power

The “smallest and lightest body possible” with which one can express their creative ideas whenever they want, combined with a “full-frame sensor” that is suitable for serious occasions without compromising on image quality, and “superb build quality” that makes the camera the perfect linchpin of a high-performance lens system.

Scalable - Versatile scalability

An “open and liberal system” that allows one to pair the camera with lenses and accessories, whether from SIGMA or other brands, using a variety of attachments, complete with “versatile scalability” that makes the camera adaptable to any scenes.

Seamless - Full-fledged, liberating shooting functions

A “highly intuitive UI” that allows one to move between full-fledged still and cine shooting modes with just one finger, making for a “seamless and truly creative tool” that goes beyond style and genre differences.

Making it a top priority to realize these three concepts all at once and without requiring any trade-offs, SIGMA selected only the elements and mechanisms that were truly needed with no compromise to create the SIGMA fp as the embodiment of an “entirely new digital camera that SIGMA can offer to the world right now.”

• It's a camera body that changes its configuration with great flexibility centered around the user.
• It's a tool that gives the user the joy of a new camera life that they themselves are yet to discover.
• It's a new system camera that will overturn the paradigm of “digital cameras.”
• The SIGMA fp is here to broaden the potential of “image shooting” ad infinitum.

Sigma FP key features

World's smallest and lightest full-frame camera

With overall dimensions of 112.6×69.9×45.3mm and body weight of 370g, without battery and card (422g with battery and memory card), the SIGMA fp is the world's smallest and lightest full-frame mirrorless camera*. It employs a back-illuminated 35mm full-frame Bayer sensor with 24.6 effective megapixels for high-quality images. Covered on the front and back sides with die-cast aluminum alloy for its superior robustness and thermal conductivity, the compact body of the SIGMA fp is built with a signature heat sink structure and sealing on 42 points for a dust- and splash-proof structure, making it a perfect camera to use for long hours under all types of environments. With its small body and great adaptability, the SIGMA fp enhances the joy of full-frame image quality, no matter what one's shooting settings may be.

*As of July, 2019.

Electronic shutter for a variety of settings

“Able to shoot whenever you want, wherever you want”―to realize this concept, the SIGMA fp incorporates a construction without a mechanical shutter for quiet shooting. This allows shooting without worrying about noise in a situation where one would have hesitated with a conventional camera because of its shutter sound. It gives no shutter shock even when shooting in quick succession at a frame rate of 18 frames/sec. eliminating even the tiniest shakes.

In addition, the absence of a mechanical shutter, whose performance level can change through continuous operation, means that the SIGMA fp is a camera with improved reliability.

Superior options in artistic picture & video creations

The SIGMA fp is a frontrunner in incorporating functions that help exploring the photographic and cinematic creations.

For instance, in addition to a number of different color modes, the SIGMA fp has newly introduced the “Teal and Orange” mode, inspired by the color grading technique commonly used in Hollywood films. Each mode has a slider that enables adjustment of the strength of the effects to apply, providing even greater control in one's creations.

The SIGMA fp is the first SIGMA camera to employ a tone curve adjustment function in addition to "Fill Light", a special adjustment function of SIGMA Photo Pro, and they are both available in-camera. It has also newly introduced "TONE" and "COLOR" buttons for a quick access to each of the tone control and color mode menus. With these enhanced functions and a variety of operation elements, the SIGMA fp makes it simple and easy to create an image, in-camera with great details, be it still or video.

Advanced picture & video generating functions

The SIGMA fp employs a number of advanced technologies for image and video generation.

The Auto HDR function takes advantage of an electronic shutter to take multiple pictures of different exposures (3 frames for still photography and 2 frames for video) at once, which can then be merged into a single picture or video with a great dynamic range that could not have been achieved in normal shooting.

The Cinemagraph function, meanwhile, achieves a hybrid between still photography and video in the form of animated GIFs in which parts of a still image keep moving. With this function, the SIGMA fp is capable of creating Cinemagraphs in-camera.

Note: The Auto HDR function in the Cine mode and the Cinemagraph function are to become available via firmware update scheduled at a later date.

L-Mount

The SIGMA fp uses the L-Mount*, characterized by a short flange focal length, large diameter, and superior durability. For interchangeable lenses, in addition to the wide-ranging choices of SIGMA lenses, other manufacturers' lenses can also be an option through the L-Mount Alliance with Leica Camera AG and Panasonic Corporation. With the SIGMA MOUNT CONVERTER MC-21, SIGMA SA mount and SIGMA's CANON EF mount lenses can be used, making the best out of one's lens investment.

*The L-Mount Trademark is a registered Trademark of Leica Camera AG.

Supports full-fledged video production

For raw video data, the SIGMA fp supports 12-bit CinemaDNG external recording. With 4K UHD/24fps recording, it produces video data that can be used even in filmmaking. It also supports ALL-I recording which is optimal for editing H.264 compressed videos.

For video output, it uses USB3.1(GEN1), which allows a smooth data transmission to an external recording unit. As it also supports cinema camera-like user interfaces, the SIGMA fp is a camera that can be taken straight to video production settings.

Note: The feature of playing CinemaDNG footages in-camera is to become available via firmware update scheduled at a later date.

Seamless transition between Still and Cine modes

Going from the Still mode to the Cine mode at the flip of a switch. Each mode comes with a specially designed operation system and displays, making it possible to concentrate on shooting in each mode, stress-free.

We've added specifications to the next page.