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Sigma Announce DP1 Prosumer Compact
High end compact packs an APS size sensor
(by Mike Slocombe for Digital Lifestyles, 8th March 2007)


Sigma Announce DP1 Compact Camera With APS Size SensorSigma have announced the full details of their new DP1 camera, a high end point'n'shoot digital camera packing a hefty 14 megapixels resolution with a full size image sensor.

To say it's been inspired by the Ricoh GR would be something of an understatement with its plain black body, fixed 28mm lens, hotshoe and attachable viewfinder, this thing's more of a ruddy homage.

What it lacks in originality it more than makes up in specs, sporting a Foveon chip image sensor "approximately 12 times larger" than what you'll find lurking in your average point and shoot camera.

A bigger sensor should lead to a much cleaner image, with less noise and significantly better low light performance, but we expect this innovation to come at a thumping big price (as yet unannounced).


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The camera shares the same design lines of the Ricoh, but that large sensor means that it's substantially bulkier and more box-life, so street photographers will have to decide whether the extra resolution is worth lugging around a bigger camera.

Sigma Announce DP1 Compact Camera With APS Size SensorCamera controls

The front of the camera is pleasingly simple, with the top plate carrying on/off, shutter and mode dial controls, with a jogwheel control below for manually focussing (a nice touch)

The back of the camera sports 2.5" LCD with the usual controls, curiously finished in a rather garish and cheap looking silver finish (Street shooters usually like their cameras to be as plain as possible - legendary snapper Cartier Bresson famously stuck black tape all over his expensive chrome Leica to make it less conspicuous).

Traditionally, RAW write speeds on digital compacts fall into the so-slow-it's hardly-worth-the-effort category, but Sigma are claiming that full resolution RAW files will be "recorded so swiftly that the DP1 won't ever feel slow. It's just like using a DSLR."

Sigma Announce DP1 Compact Camera With APS Size SensorThe 28mm fixed lens is disappointingly slow at just f4, but this may be compensated by improved high ISO performance.

We have to say that we're intrigued by this camera, even if it's only really playing catch up with the Ricoh GR when it comes to the feature set.

Many of the improvements that GR users have been looking for - image stabilisation, optical zoom and a built in viewfinder are all noticeably absent from the Sigma, and the camera's macro can only focus down to just 30cm compared to the GR's incredible 1cm.

However, with the SD1 offering dSLR performance in a (large) pocketable design, this could be the perfect carry-everywhere second camera for pro users.


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Sigma Announce DP1 Compact Camera With APS Size SensorSpecifications
Image Sensor FOVEON X3 (CMOS)
Image Sensor Size 20.713.8mm
Number of Pixels Effective Pixels approx. 14.06MP (26521768x3 layers)
Aspect Ratio 3 : 2
Lens 16.6mm F4(35mm equivalent focal length:28mm)
Lens Construction 5 Groups, 6 Elements
Shooting Range 30cm - infinity
Storage Media SD Card /SDHC compatible
Recording Format Exif 2.21, DCF 2.0, DPOF
Recording Mode Lossless compression RAW data (12-bit), JPEG (High, Medium Low), Movie, Voice memo to still images, Voice recording
White Balance 8 types (Auto, Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash, Custom)
Auto Focus Contrast Detection Type
AF Point 9-Points
Focusing Modes Single, 9-points multi
AF Point Selection Auto and Manual Selection
Focus Lock Shutter release halfway-down position(AF lock can be done by AE lock button from menu setting)
Manual Focus Focus aid (Dial Type)
Metering System 8 segments evaluative metering, Center Metering, Center-Weighted Average Metering
Exposure Control System Auto Mode, (P) Program AE, (S) Shutter Priority AE, (A) Aperture Priority AE, (M) Manual
Exposure Compensation +/-3EV (1/3 stop increments)
Auto Bracketing Appropriate, under, over; 1/3EV steps up to 3EV for appropriate exposure
Shutter Speed 1/4000sec. to 15sec.
Built-in Flash Pop-up type (manually)
Flash Coverage Range 30cm-2.1m(at ISO200)
External Flash Sync. Hotshoe (X Sync. Contact)
Drive Modes [1] Single, [2] Continuous, [3] Self Timer(2sec. /10sec.)
LCD Monitor TFT Color LCD Monitor
Monitor Size 2.5 inches, approx.230,000 pixels
Interface USB(USB2.0), Video Out (NTSC/PAL), Audio Out(Monaural)
Power Li-ion Battery Pack BP-31, Battery Charger BC-31, AC Adapter (Optional)
Dimensions 113.3mm/4.5" (W) x 59.5mm /2.3"(H) x50.3mm/2" (D)
Weight 240g /8.5oz (excluding batteries)


external web link sigma-photo.co.jp
external web link http://sigma-dp1.com/


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