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Sigma dp1 Quattro Digital Camera

BH #SIDP1Q • MFR #C80900
Sigma
Sigma dp1 Quattro Digital Camera
Key Features
  • 29MP Foveon X3 Quattro CMOS Image Sensor
  • TRUE III Image Processing Engine
  • 19mm f/2.8 Lens (35mm Equivalent: 28mm)
  • 3.0" 920k-dot TFT LCD Screen
The Sigma dp1 Quattro Digital Camera combines the 29MP Foveon X3 Direct Image Sensor with the TRUE III image processing engine to create high quality images with an equivalent resolution of 39 megapixels due to the unique sensor design. This method uses layers of pixels to capture the color data of the red, green, and blue spectrums vertically, requiring no interpolation. This results in a sharper image with better color gradations.
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Sigma dp1 Overview

  • 1Description
  • 229MP Foveon X3 Quattro Direct CMOS Image Sensor & TRUE III Image Processing Engine
  • 319mm f/2.8 Prime Lens
  • 43.0" LCD Monitor
  • 5RAW Image Capture
  • 6Full Exposure Control
  • 7Auto and Manual Focusing
  • 8Color Modes

The Sigma dp1 Quattro Digital Camera combines the 29MP Foveon X3 Direct Image Sensor with the TRUE III image processing engine to create high quality images with an equivalent resolution of 39 megapixels due to the unique sensor design. This method uses layers of pixels to capture the color data of the red, green, and blue spectrums vertically, requiring no interpolation. This results in a sharper image with better color gradations.

With this technology is a 19mm lens that on an APS-C camera has an 35mm equivalent focal length of 28mm. It is relatively fast with a maximum aperture of f/2.8, making it useful in low light. Also, for composing and reviewing images, a 3.0" 920k-dot TFT LCD display is available on the back of the camera.

For low light shooting, the camera has an ISO sensitivity range of 100-6400 in 1/3 steps and it has P/S/A/M shooting modes for full control over your exposure. It even has RAW image capture at a max resolution of 5,424 x 3,616 for excellent editing capabilities. For focusing, there is contrast-detect autofocus or a manual focusing ring for your preference. And, the camera saves your images to an SDXC, SDHC, or SD card.

29MP Foveon X3 Quattro Direct CMOS Image Sensor & TRUE III Image Processing Engine
The dp1 uses the APS-C-sized Foveon X3 CMOS image sensor which captures color information vertically as opposed to horizontally. This means that each pixel has extremely accurate color information, resulting in rich tones and smooth gradations. Also, since it captures color vertically, there is no need for color filters or a low-pass filter, further increasing image quality for resolution comparable to about 39MP from Bayer array image sensors.

This camera utilizes the latest generation of this technology, named Quattro due to the 1:1:4 ratio of the pixel layers, with 20MP on the top layer and 4.9MP on each of the bottom two. This simultaneously reduces file size and increases resolution, making the camera faster and lowers the power consumption. This speed increase is also due to the third generation Three-layer Responsive Ultimate Engine, or TRUE III image processing engine. The processor is optimized for handling the complex image data recorded by the sensor and produces high quality imagery. resolution, making the camera faster and lowers the power consumption. This speed increase is also due to the third generation Three-layer Responsive Ultimate Engine, or TRUE III image processing engine. The processor is optimized for handling the complex image data recorded by the sensor and produces high quality imagery.
19mm f/2.8 Prime Lens
Equipped with a 19mm f/2.8 prime lens, this camera provides a 35mm equivalent focal length of 28mm for wide-angle shooting. It also has a relatively fast aperture of f/2.8, resulting in quality images even in low-light conditions. Additionally, with a 9-blade diaphragm it will produce smooth out-of-focus areas at any aperture.
3.0" LCD Monitor
The dp1 features a 3.0" TFT LCD display with 920,000 pixels for shooting and reviewing your images. This monitor is also where you can change settings for your shooting needs and preferences.
RAW Image Capture
Full 14-bit RAW images can be captured with data for every pixel included, meaning 5,424 x 3616 on the top layer, and 2,712 x 1,808 on the subsequent two pixel layers. You can also shoot with JPEG and produce images with resolutions as high as 7,680 x 3,296.
Full Exposure Control
Program, aperture priority, shutter speed priority, and full manual modes are included for complete control over the look of your photographs. This gives you access to the ISO settings from 100-6400 in 1/3 steps and a shutter speed from 1/2000 sec all the way to 30 seconds. Additionally, there is exposure compensation available from -3 to +3 EV.
Auto and Manual Focusing
Contrast-detect autofocus is available with 9-points Select Mode in addition to Free Move Mode and Face Detection AF. Also, the lens itself has a focusing ring for manual focusing.
Color Modes
The camera features 11 different color modes for a variety of effects, including Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Incandescent, Fluorescent, Color Temperature, Flash, and Custom.
UPC: 085126930585

Sigma dp1 Specs

Imaging
Sensor ResolutionActual: 33 Megapixel
Effective: 29 Megapixel (5424 x 3616)
Sensor TypeAPS-C CMOS
Image File FormatJPEG, Raw
Bit Depth14-Bit
Image StabilizationNone
Lens
Focal Length19mm (35mm Equivalent Focal Length: 28mm)
Maximum Aperturef/2.8
Minimum Aperturef/16
Focus RangeNormal
7.87" to Infinity / 20 cm to Infinity
Optical Design9 Elements in 8 Groups
Filter Size58 mm
Exposure Control
ISO Sensitivity100 to 6400
Shutter Speed1/2000 to 30 Seconds
Metering MethodCenter-Weighted Average, Evaluative, Spot
Exposure ModesAperture Priority, Manual, Program, Shutter Priority
Exposure Compensation-3 to +3 EV (1/3 EV Steps)
White BalanceAuto, Color Temperature, Custom, Daylight, Flash, Fluorescent, Incandescent, Overcast, Shade
Interval RecordingYes
Self-Timer2/10-Second Delay
Monitor
Size3.0"
Resolution920,000 Dot
Display TypeFixed LCD
Flash
Built-In FlashNo
External Flash ConnectionHot Shoe
Interface
Media/Memory Card SlotSingle Slot: SD/SDHC/SDXC
WirelessNone
GPSNo
Physical
Battery Type1 x BP-51 Rechargeable Lithium-Ion
Packaging Info
Package Weight2.925 lb
Box Dimensions (LxWxH)7.85 x 7.05 x 6.05"

Sigma dp1 Reviews

Ergonomics OK.  Focus points, not so much.

By Mark
Rated 4 out of 5
Date: 2019-10-08

The design of this camera is worthy of a Red Dot award. And it really isn't a case of form over function. Truthfully, I find no issues with the ergonomics of the Sigma dp Quattro series cameras. In fact, without the optional OVF, this feels very similar to shooting with a cell phone in landscape. But as this is best suited for low ISO, it is more at home on a tripod for planned shots anyway, making the ergonomic argument moot. And that is where this camera shines. What I do not like is the 9-point focus grid (3 columns, 3 rows). Each point is selectable and can be resized 3 times concentrically, but cannot be moved, such as with a joystick. Once the point/box is selected, it is magnified on the EVF for fine focus when the focus ring is turned. But unless your subject is within that box, it is a best guess if you are getting the sharpest focus. Other niggles include: some chromatic aberration, confirmed noise at higher ISOs, even as low as 400, and X3F file format. Image review does require some patience, especially if bracketing. The dp Quattro cameras are not all-purpose cameras. They are, in fact, purpose-built based on the limits of their focal length. As the lenses are not interchangeable, Sigma's aim was to create a series of cameras for a photographer who understands the need to collect each camera as they would lenses for a camera body. Considering the price point of each, these are basically high-quality lenses that happen to have a camera body attached.

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question

can you suggest a Hoodman LCD viewer for this camera?
Asked by: Anonymous
The HoodLoupe 3.0 attached with the Hoodman Cinema Strap works well on my Quattro dp1 and dp2.
Answered by: Tim A.
Date published: 2018-08-25
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