Every element of the camera is rethought and optimized, including the ultra-high-resolution sensor, the top-performance lens, and every component involved in motion and operation to deliver full-bodied image quality.
Foveon direct image sensor offers radically better image quality than any other sensor available.
The new 1:1:4 structure (bottom 1: middle 1: top 4) offers higher resolution that is equivalent to 39 megapixels for conventional color filter array sensors.
Produces high-definition, 3D-like photographs with outstanding rich color detail results
The DP1 features a newly developed ultra-wide-angle lens offering F4 brightness at 14mm (equivalent to 21mm on a 35mm camera).
DP series cameras are able to offer the best match between their lenses' ultra-high-resolution sensors, resulting in optimized image quality.
Without using a computer, you can adjust the RAW data (X3F format files) of photographs you've taken and save as JPEGs on to the camera.
DP series camera is a result of thoughtful design, where portability meets ease of operation.
Leveraging the light absorption characteristics of silicon, the sensor comprises three layers of photodiodes, each at a different depth within the silicon and each corresponding to a different RGB color. Since it is the only sensor to use this superior vertical color separation technology, it is also the world’s only direct image sensor. The Foveon direct image sensor captures color vertically, recording hue, value, and chroma accurately and completely for each pixel, enabling the expression of rich gradation and tone. Moreover, there is no low-pass filter needed to correct the interference caused by a color filter array, unlike the data from other sensors, which requires artificial interpolation to “fill in” missing colors. The data from the Foveon direct image sensor is complete with light and color information for every single pixel.
The SIGMA dp1 Quattro incorporates a newly developed Foveon X3 direct image sensor (generation name: “Quattro”). The new sensor structure features a pixel ratio of 1:1:4 from the bottom, middle to top layer. The Foveon X3 Quattro direct image sensor is able to detect a broad range of light wavelengths. While the top layer captures both brightness and color information, the middle and bottom layers with their larger surface area capture color information only. During the image data processing stage, the brightness data captured in the top layer is applied to the top, middle, and bottom layers, resulting in brightness and color data for each individual pixel. Retaining the principle of the three-layer structure where colors are divided vertically, by applying the brightness data captured in the top layer to the layers below, high resolution and high-speed for broad data processing required are achieved.
A conventional color sensor captures resolution information through green megapixels, which means the information it can contain is only 50% of the whole pixels. On the other hand, the new Quattro sensor captures resolution information with the whole top layer. It holds twice as much resolution compared to conventional color sensors. 19.6 megapixel resolution information of the top layer achieves high resolution equivalent to 39 megapixels.
The new DP series cameras feature the newly developed TRUE (Three-layer Responsive Ultimate Engine) III. This image processing engine has evolved in pace with our Foveon direct image sensor and incorporates all of the image processing expertise we have developed over the years. Thanks to new refinements, it is the ideal engine for processing the rich and complex image data produced by the new-generation Foveon X3 Quattro direct image sensor. Our proprietary algorithm makes possible ultrafast processing of an immense volume of image data without any deterioration of the final images. The result is high-definition, 3D-like photographs with outstandingly rich color detail.
Based on our rigorous examination of lens options to match the new Foveon X3 Quattro direct image sensor, we’ve incorporated 19mm F2.8 (equivalent to a 28mm lens on a 35mm SLR) that has a FLD (“F” Low Dispersion) glass, which is equivalent to fluorite in its characteristics, and two glass mold aspherical lenses so as to minimize every type of optical aberration. The superior telecentric optical design improves image quality throughout the frame and maximizes the sensor’s ability by passing on information about subjects to the sensor.
A solid and lightweight magnesium alloy is incorporated to the part of exterior. With rigidity and strength, the body is highly reliable and superior as a tool for photography.
The Quick Set (QS) Menu which consists of the 8 most commonly used functions such as ISO and White Balance can be easily displayed by pressing the QS button. Using the Selector, the Front Dial and the Rear Dial, change of the settings can be made in no time. It allows photographers to change the menu content and the order depending on their preferences.
The SIGMA DP1 Quattro features “9 point select mode” which can select the desires focusing point from 9 different frames and “Free move mode” which can move the desired point as you like. “Face Detection AF” prioritizes focus on the face of the subject when detected by the sensor. Moreover “AF Limit Mode” which adjusts the range of auto focusing and “Shutter Priority AF” which offers faster focus adjustment by stopping the live view can be selected to increase the speed of the auto focusing. By selecting “AF+MF mode”, the focus can be adjusted manually after verifying the AF by rotating the focus ring. The SIGMA DP1 Quattro has an AF auxiliary light inside, which enables auto focus shooting in a low light environment.
The SIGMA DP1 Quattro features a 3.0 inch TFT color monitor which ensures great visibility even outside in the daytime. This approximately 920,000 pixel resolution LCD monitor benefits from a wide viewing angle, making it easy to capture detail and to check focusing and composition.
The SIGMA DP1 Quattro is equipped with a hot shoe, allowing use of the dedicated view finder VF-31 (optional) as well as SIGMA EF-140S SA-SSTL electronic flashguns for dp Quattro series
By attaching it to the LCD display of the DP Quattro cameras, the LCD viewfinder cuts off outside light. It magnifies the LCD display 2.5 times and allows photographers to check the focusing more easily. It is exclusively designed for Quattro series and achieves clear visibility by incorporating a high performance lens and coating. Similar to the viewfinder of a DSLR, it is possible to hold it stably, thus reducing camera shake, and look at the detail of the image. Its diopter adjustment range is from -2 to +1.00.* The magnification ratio was calculated based on the standard ratio measurement for a loupe.
Manual Focus is available for use when autofocus or focus lock is not desired. It is possible to use the focus ring for focusing just like an SLR camera. It is also possible to magnify the display to ensure precise focusing.
RAW data records information of light captured by the Quattro sensor. 14-bit (16384 tones) signal processing is incorporated when the analog output signal is transformed to a digital signal, achieving photography data with excellent tones and smooth gradation of subjects. RAW data incorporates lossless compression that prevents data from degradation. By processing images using SIGMA Photo Pro, it is possible to create images with natural balance like no other.
The SIGMA DP1 Quattro has High size and Low size to select from depending on the purpose of the photography. High size gets the best performance out of the image sensor both with RAW data and JPEG and Low size focuses more on the number of images that can be recorded. With both of the sizes, simultaneous recording of RAW and JPEG is possible. Moreover, for JPEG, SUPER HIGH that is suitable for larger prints can be selected to accommodate photographers' various needs.
A large volume buffer memory enables the camera to capture up to 7 RAW images per sequence in continuous shooting mode in High size. Using high speed data transfer and processing, the SIGMA DP1 Quattro features a continuous shooting speed of up to 3.5 frames per second. In addition, depending on the situation, it is possible to capture up to 4.5 frames per second and up to 14 images per sequence in continuous shooting mode in Low size.
The aspect ratio of 3:2 is set as standard however 6 different aspect ratios are available including 1:1 and 21:9, similar to those of wide screens used in cinemas, as well as 7:6, similar to those of 6x7 cameras, depending on your photography needs. When shooting with an aspect ratio other than 3:2, the frame can be selected from displaying it in black or semi-transparent. By making it semi-transparent, it is possible to use it as a sports finder which allows users to check the surrounding areas of the image. Images recorded as RAW format can be changed to different ratios in SIGMA Photo Pro.
An electric level that is useful in determining composition can be displayed. The camera’s horizontal and vertical directions are displayed while shooting.
In addition to the Auto (Default) option that allows the camera to automatically determine the appropriate white balance adjustments, Auto (Lighting Source Priority) option is incorporated. This option allows the camera to adjust white balance while valuing the color and atmosphere of light source. 10 options are available and it is also possible to adjust white balance based on the image incorporated, and to set the amount of color temperature (Kelvin). Moreover, each white balance mode can be fine-tuned, enabling detailed correction of white balance and creative work with a filter effect.
Color Mode can adjust rendering and contrast to best suit each photography scene. With the SIGMA DP1 Quattro, 4 preset Color Modes are added including “Cinema”, which reduces saturation and emphasizes shadows to recreate an image like in a cinema and “Sunset Red” which emphasizes red color rendering, and expresses the scenes, such as sunsets, more impressively. True artistic expression has become easier than ever.
With Filtering Effect contrast can be changed as if the images are taken using a color filter for black and white photography, and with Toning Effect color tones can be adjusted according to preferences such as WARM, COLD and SEPIA, so that photographers can create more impressive image of subjects.
Blown-out highlights caused by overexposure can be corrected, based on the gradation information obtained through the arrangement of pixels on the sensor, to minimize loss of detail. In addition, by utilizing that gradation information, it is possible to expand the dynamic range while processing RAW files.
ISO sensitivity can be set from ISO 100 to ISO 6400. By setting the range to 1/3 EV steps from the default 1 EV steps, it is possible to set the sensitivity to ISO 125 or ISO 160. ISO AUTO, where the camera automatically sets the ISO sensitivity according to brightness of the shooting environment, enables you to set the upper limit and lower limit depending on your shooting style.
SIGMA Photo Pro software makes possible to process RAW data instinctively. With an easy operation like moving sliders left and right while looking at the photographed image, your desired expression can be achieved. By changing modes, this software helps produce the stunning tones and gradation for which the Foveon X3 Quattro sensor is famed. In addition, the software also makes possible monochrome photographs of impressive depth.
The SIGMA DP1 Quattro adopts the SD Card (SD, SDHC, SDXC compatible) which is compact and easy to carry. Moreover, since it is compatible with SDHC and SDXC’s UHS-I standard, large volume data can also be recorded with high speed.
The dedicated bayonet lens hood LH4-01 (optional) can be attached to block out extraneous light.
The dedicated cable release (CR-31) (optional) allows release of the shutter without touching the camera by connecting it to the camera’s USB terminal. It is useful when releasing the shutter from a distance or with a slow shutter speed, as well as to prevent image blur.
Attaching Sigma's dedicated 58mm filters such as the SIGMA WR CIRCULAR PL FILTER to the camera body extends the shooting possibilities.* 58mm filters are sold separately.
MTF
Distortion
Vignetting
RAW
HIGH T：5,424×3,616 / M：2,712×1,808 / B：2,712×1,808LOW T：2,704×1,808 / M：2,704×1,808 / B：2,704×1,808
RAW - DNG [3:2]
HIGH 5,424×3,616LOW2,704×1,808
JPEG [1:1]
SUPER-HIGH 5,120×5,120HIGH 3,616×3,616LOW 1,808×1,808S-LO 1,280×1,280
JPEG [7:6]
SUPER-HIGH 6,352×5,120HIGH 4,480×3,616LOW 2,224×1,808S-LO 1,584×1,280
JPEG [4:3]
SUPER-HIGH 6,816×5,120HIGH 4,816×3,616LOW 2,400×1,808S-LO 1,696×1,280
JPEG [3:2]
SUPER-HIGH 7,680×5,120HIGH 5,424×3,616LOW 2,704×1,808S-LO 1,920×1,280
JPEG [16:9]
SUPER-HIGH 7,680×4,320HIGH 5,424×3,048LOW 2,704×1,520S-LO 1,920×1,080
JPEG [21:9]
SUPER-HIGH 7,680×3,296HIGH 5,424×2,328LOW 2,704×1,160S-LO 1,920×816
Effective Pixels:Approx. 29MPT (Top) : 5,424×3,616M (Middle) : 2,712×1,808B (Bottom) : 2,712×1,808Total Pixels : Approx. 33MP
Lossless compression RAW data (14-bit), DNG (No compression RAW Data 12-bit), JPEG (Exif2.3), RAW+JPEG
FINE, NORMAL, BASIC
21:9, 16:9, 3:2, 4:3, 7:6, 1:1
ISO100–ISO6400 (1/3 steps for appropriate sensitivity), AUTO: High limit, low limit setting is possible between ISO100~ISO6400. When using with flash, it changes depending on the low limit setting.
10 types ( Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom )
11 types ( Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome )**It is not possible to select the mode when it is set as DNG.
Contrast Detection Type
9 points select mode, Free move mode (It is possible to change the size of Focus Frame to Spot, Regular and Large.)Face Detection AF mode
Shutter release halfway-down position (AF lock can be done by AE lock button from menu setting)
Focus Ring Type
Evaluative Metering, Center-Weighted Average Metering, Spot Metering
(P) Program AE (Program Shift is possible), (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual
±3EV (1/3 stop increments)
AE lock button
Appropriate, under, over; 1/3EV steps up to ±3EV for appropriate exposure
1/2000* - 30sec. (*Depending on the aperture value, shutter speed changes)
Single, Continuous, Self Timer (2sec. /10sec.) Interval timer
TFT color LCD monitor
3.0 inches
Approx. 920,000 Pixels
English / Japanese / German / French / Spanish / Italian / Chinese(Simplified) / Chinese(Traditional) / Korean / Russian / Nederlands / Polski / Português / Dansk / Svenska / Norsk / Suomi
USB / Cable Release Switch
Li-ion Battery Pack BP-51, Battery Charger BC-51, AC Adapter SAC-6 (with DC Connector CN-21) (Optional)
Approx. 200 (+25℃)
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