2008 Photokina Tradeshow
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Sigma's DP2 digital camera. Courtesy of Sigma, with modifications by Michael R. Tomkins. Sigma announces DP2
By Michael R. Tomkins, The Imaging Resource
(Tuesday, September 23, 2008 - 02:01 EDT)

Sigma has today announced its latest fixed-lens Foveon X3-based compact camera, the Sigma DP2.

The Sigma DP2 is closely related to the company's existing Sigma DP1 digital camera, but with a differing choice of lens. In place of the DP1's 28mm-equivalent f/4.0 lens, the Sigma DP2 has an f/2.8 41mm lens. The image processor has also been upgraded to a Sigma TRUE II ("Three-layer Responsive Ultimate Engine") processor with improved processing speed, operation, and performance. The body is 0.1" (4 mm) thicker, and has a somewhat revised rear panel control layout.

Other specifications for the Sigma DP2 are largely similar to its wide-angle sibling. Images are captured via a full-color Foveon X3 image sensor with 14.1 million photodiodes, which outputs a 4.64 megapixel maximum image size. Images and movies are framed on a 2.5" LCD display. The Sigma DP2 is capable of automatic or manual exposure, focusing and white balance. Both a popup flash and a hot shoe are included in the Sigma DP2, with the latter also capable of accepting an optional external viewfinder.

The Sigma DP2 records Raw or JPEG images on SD cards, and has both standard-def video output, and USB 2.0 computer connectivity. Power comes from a Lithium Ion rechargeable battery. Pricing and availability for the Sigma DP2 have not been disclosed at this time. For more details, read our Sigma DP2 preview.

Sigma DP2
Sigma's DP2 digital camera. Courtesy of Sigma, with modifications by Michael R. Tomkins. Click for a bigger picture!
General
Camera Type Mid-Sized
Manufacturer Sigma
Model Number DP2
Dimensions 4.5 x 2.3 x 2.1"
113.3 x 59.5 x 54.6mm
Image Capture
Sensor Type 0.98 Foveon X3 CMOS
4.80 megapixels (total)
4.64 megapixels (effective)
Filter Type Full Color
Aspect Ratio 3:2, 16:9
Image Dimensions 2640 x 1760 (4.6 megapixels)
2640 x 1485 (3.9 megapixels)
1872 x 1248 (2.3 megapixels)
1312 x 880 (1.2 megapixels)
Image Quality 4 levels
Image Preview / Review
LCD 2.5", 230,000 pixels
Lens
Lens Type Sigma Lens (7 Elements in 6 Groups)
Image Stabilization No
Focal Length 24.2mm (actual)
41mm (35mm equivalent)
Aperture Range f/2.8 - ?
Focusing System Contrast detection
Manual Focus possible (0) steps
Exposure
ISO Sensitivity TBA
Shutter Speed 15 - 1/2000 second
Exposure Modes Aperture, Shutter, Manual
Metering Modes Evaluative, center-weighted average, spot
Exposure Compensation +/- 3.0EV in 1/3EV increments
White Balance Image Sensor - Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom, Manual
Creative
Digital Zoom 3.0x
Self Timer Yes, 2 or 10 seconds
Movie Format AVI with audio
Storage
Recording Medium SD/MMC
File System Complies with Design Rule for Camera File System (DCF)
File Format CCD-RAW, 12-bit RAW (.X3F), JPEG (EXIF 2.21)
Connectivity
Video Yes, NTSC / PAL switchable
Computer USB 2.0 High Speed
Other Audio out (mono)
Power
Battery Type Lithium-ion rechargeable
Battery Form Factor Proprietary BP-31
Product Bundle
Software SIGMA Photo Pro
Battery / Charger 1 x Proprietary BP-31 Lithium-ion rechargeable battery and charger
Flash Memory 0.0MB
Other
Digital Print Order Format (DPOF) compliant Yes
Internal Microphone Yes
Internal Speaker Yes
Tripod Mount Yes, Metal
Remote Control No
More Photos
Sigma's DP2 digital camera. Courtesy of Sigma, with modifications by Michael R. Tomkins. Click for a bigger picture!
 

Original Source Press Release:

Sigma announces the development of a 14 megapixel high definition digital camera, packing the full spec of a DSLR into the body of a compact camera.

SIGMA DP2

The Sigma Corporation (COO: Kazuto Yamaki) is pleased to announce the new Sigma DP2 compact digital camera featuring a 14 megapixel FOVEON X3 direct image sensor (2,652 × 1,768 × 3 layers) as used in the Sigma SD14 digital SLR.

Sigma introduced the DP1 with a direct image sensor as used in the Sigma SD14 digital SLR to the market in March 2008 as a “unique, groundbreaking, compact digital camera with all the power of a digital SLR”. The multi award winning DP1 has established strong support from a wide range of photographers both amateur and professional. Building on this success, the DP2 is equipped with a 24.2mm F2.8 lens, equivalent to 41mm on a 35mm SLR camera, for increasing creative possibilities and superior image quality, improving handling and performance.

[Main features]

SLR-sized image sensor
The size of the image sensor used in the DP2 camera is 20.7mm x 13.8mm. It is approximately seven to twelve times larger than the 1/1.8inch to 1/2.5inch image sensors used in ordinary compact digital cameras. The pixel size of the image sensor is 7.8μm. The large photodiodes deployed at a large pixel pitch capture pure, rich light efficiently and give the DP2 its high resolution and richly-graduated tones.

Full-color image sensor
The DP2 uses the same 14 megapixel (2,652×1,768×3 layers) direct image sensor as the SD14 and DP1. Utilizing the special features of silicon, which is penetrated to different depths by different wavelengths of light, this direct image sensor succeeds in full-color capture with the full RGB in a single-pixel location. Since the moiré is not generated, use of a low-pass filter is not needed because full information of light and color can be captured with three-dimensional feeling.

“TRUE II” image processing engine
The DP2 incorporates “TRUE II” which is an improved version of “TRUE” (Three-layer Responsive Ultimate Engine), the world’s first image processing engine suited for the three silicon embedded layer direct image sensor. The unique image-processing algorithm, which has been developed throughout the development of the SD series digital SLR cameras and DP1, is incorporated into “TRUE II”.

24.2mm F2.8 lens designed exclusively for the DP2
The DP2 is equipped with a 24.2mm F2.8 lens, equivalent to 41mm on a 35mm SLR camera, which has been designed exclusively for DP2. Two molded glass aspherical lenses provide superior image quality. The Super Multi Layer Coating reduces flare and ghosting. This lens and SLR-sized image sensor combination provides natural shallow depth-of-field and attractive bokeh effect.

RAW format recording
The DP2 includes a RAW recording mode for retaining full image capture detail of the utmost quality plus a JPEG recording format for convenience. The RAW data format uses lossless compression for more compact, yet uncompromised, data files. The RAW data format of the DP2 keeps brightness and color data in a 1:1 ratio without relying on interpolation. Each pixel location captures the full color of RGB data which, when processed in Sigma Photo Pro, will preserve the balance of the natural data for the best photos with the best image quality.

Exclusive Sigma Photo Pro Software (Supplied with the DP2)
The DP2 comes complete with SIGMA Photo Pro software, a RAW image developer that converts all RAW data quickly and easily. Adjustments can be made in three separate modes. The X3F Mode stores the original settings of the image at the point of capture. In the Auto Adjustment Mode, the software analyzes and automatically makes adjustments to the RAW data. The Custom Mode allows the photographer to make individual adjustments. The photographer can make changes easily and quickly by simply adjusting the slider controls within the software.

Compact and lightweight body
The DP2 has compact dimensions of 113.3mm/4.5in (W) x 59.5mm/2.3in (H) x 54.6mm/2.1in (D). Its compact body and lightweight design makes it easy to carry everywhere.

Three metering modes and four exposure modes
The DP2 has three metering modes, Evaluative Metering, Center Weighted Average Metering and Spot Metering. It is also possible to select the exposure mode from Program AE, Shutter Priority AE, Aperture Priority AE or Manual. Exposure compensation can be set in 1/3 stop increments from +3.0 to -3.0 stops and an auto bracketing function is also available.

Pop up (manual) built-in flash
The DP2 is equipped with a pop up (manual) built-in flash. It is possible to use Normal Flash, Red-Eye Reduction Flash and Slow Synchro Mode. It also features flash exposure compensation in 1/3 stops increments.

Manual Focus
Manual Focus is available for use when autofocus or focus lock is not effective. It is also possible to magnify the display to ensure precise focusing.

Large 2.5” TFT Color LCD Monitor
The DP2 camera features large 2.5 inch TFT color LCD monitor. The LCD monitor displays 100% of the images, allowing the photographer to easily and accurately confirm the image compensation.

Hot Shoe
The DP2 camera is equipped with a hot shoe, allowing use of the dedicated external flashgun EF-140 DG (optional) as well as Sigma electronic flashguns for SD series such as EF-500 DG and EF-530 DG. This hot shoe is also used to attach high performance view finder VF-21 (optional).
*EF-500 DG and EF-530 DG flashgun series can be used in manual mode only.

Dedicated lens hood (HA-21)
It is possible to attach the dedicated lens hood to block out extraneous light. It also functions as an adapter, designed to accept the 46mm Close-up Lens and 46mm filters.
*A hood adapter HA-21 is sold separately.

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