Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Introduction

The Sigma sd Quattro is a compact system camera with a 39-megapixel APS-C sized Foveon X3 Quattro sensor. The sd Quattro’s unique sensor outputs 5424×3616-pixel raw images at the highest resolution setting, and is comprised of four separate layers, with three dedicated layers for capturing Red, Green and Blue. The dust and splash proof Sigma sd Quattro also features contrast-detect and phase-detect auto focus, a focus peaking function, the Dual TRUE III image processing engine, a 2.36 megapixel electronic viewfinder, a 3-inch TFT colour monitor with 1,620K dots, 3.6fps continuous shooting speed, Super-Fine Detail (SFD) exposure mode, full range of creative shooting modes, external hotshoe, Quick Set button and 14-bit RAW format support. The Sigma sd Quattro officially retails for £799 / $799 body only, or £999 / $999 with the Sigma 30mm f/1.4 DC HSM Art lens.

Ease of Use

The Sigma sd Quattro has a very unusual design that’s quite unlike any other compact system camera that we’ve seen before. Measuring 147mm (W) x 95.1mm (H) x 90.8mm (D) and weighing 625grams, it’s wide and heavy, with a very pronounced hand-grip with a leatherette covering which helps you to keep a firm hold and accomodates a wide range of hand sizes. There’s also a generous thunb-grip at the rear of the camera.

Utilising a magnesium alloy body, the Sigma sd Quattro is an exceedingly well built camera, certainly up there with the best that the other manufacturers have to offer. A series of O-rings and environmental seals around the camera’s buttons and seams prevent the intrusion of dust and water, making the sd Quattro suitable for use in adverse weather conditions, and the lens mount features a dust protector sealed with optical glass to prevent dust from entering the camera body. The sd Quattro has an under-stated, all-black appearance with a subtly textured surface, and together with the heavier weight this lends the camera a professional look and feel. The all-metal tripod mount directly inline with the centre of the lens is a giveaway sign that this is intended to be a serious camera.

At the heart of the Sigma sd Quattro is an APS-C sized Foveon image sensor. The exact size of the image sensor used in the sd Quattro camera is 23.4×15.5mm. Sigma are still the only manufacturer to use the Foveon X3 sensor, quoting the resolution of the DP Quattro as 39 megapixels. The Foveon solution uses 3 layers of stacked on top of each other, with each photodiode capturing all of the RGB data. The Quattro sensor allocates 20 megapixels to the top layer which records both blue colour and luminance information, and 4.9 megapixels to the other two layers which record green and then red colour information respectively. Sigma say that this important change offers an an increase in resolution compared to the previous Foveon sensor, along with faster processing times and less noise, at least in the red and green channels.

Sigma and Foveon continue to claim that this 3-layer approach results in better looking colour images straight out of the camera when compared to a more conventional CCD/CMOS sensor. Whilst this may be true, from the user’s point of view the final image is 5,440×3,616 pixels in size, which limits how big you can print or crop the native image without interpolating it in Adobe Photoshop or another application.

Sigma DP3 Quattro
Front of the Sigma sd Quattro

The sd Quattro uses SIGMA SA mount, instantly making it compatible with all of the SIGMA GLOBAL VISION lenses in the Contemporary, Art and Sports lines. Our review sample came with the Sigma 30mm f/1.4 DC HSM Art lens, which felt well-balanced on the sd Quattro and provides a 45mm effective focal range and a very fast f/1.4 maximum aperture.

The 3 inch LCD screen on the rear displays 100% of the image and the 1,620K pixel resolution is very good, plus there are a couple of options for increasing or decreasing the brightness of the screen if you don’t like the default setting. Rather strangely the sd Quattro’s screen looks bigger than it really is at first glance, until you realise that there’s a smaller second screen to the right of the 3-inch LCD, with 5 small buttons to the right again. In order, these access the backlight, exposure compensation, IOS speed, metering mode and shooting mode, with the current option for each one shown on the small screen.

The Sigma sd Quattro has a high-resolution 2.36 megapixel electronic viewfinder, which offers near-100% coverage and a 1.09 magnification ratio. There’s a dedicated switch next to the viewfinder which toggles between displaying the image in the viewfinder, the monitor, or the Auto mode, where the camera automatically switches to the viewfinder display when the user is looking through it and to the monitor when they’re not.

Just like a DSLR, the Sigma sd Quattro offers both JPEG and RAW recording formats. There are 3 different JPEG compression levels (Fine, Normal, Basic), three resolution settings (Super-high, High Low) and a choice of five crop modes (21:9, 16:9, 3:2, 4:3 and 1:1). The RAW files are saved in the Sigma X3F format, which currently can only be processed using the free to download Sigma Photo Pro RAW 6 image developer (not supplied in the box). Sigma Photo Pro is a simple, straight-forward but rather slow application that doesn’t compare that well with Lightroom or Photoshop in terms of features, but gets the job done and is free of charge. We really wish that Sigma would support the Adobe DNG format so that we could use our favourite processing software from day one. Note that if you shoot in the RAW mode, you can’t also choose the Super-High resolution in-camera, although you can develop the RAW file into a Super-High file using Sigma Photo Pro in post-processing.

Sigma DP3 Quattro
Rear of the Sigma sd Quattro

The start-up time from turning the Sigma sd Quattro on to being ready to take a photo is OK at around 1.5 seconds. It takes around 10 seconds to store RAW files, although thankfully you can take another shot almost straight-away. The sd Quattro has a respectable enough burst mode of 3.6fps should you feel the need, being able to capture 14 RAW/High files before the camera locks-up completely for a few seconds.

The Sigma sd Quattro offers a full range of advanced exposure controls via the Mode button on the rear of the camera, including aperture-priority, shutter-priority, manual and manual focusing, with three Custom modes so that you can save and recall your preferred settings. There are no auto-everything or scene modes on this camera, which is a veritable breath of fresh air at a time when most manufacturers are stuffing their cameras full of clever technologies that take control away from the user. The aperture or shutter speed are set by using the forefinger-operated control dial on top of the camera which encircles the shutter button, with a smaller rear control dial setting the aperture in the Manual shooting mode and exposure compensation in the other modes.

The sd Quattro has three metering modes, Evaluative Metering, Center Weighted Average Metering and Spot Metering. Exposure compensation can be set in 1/3 stop increments from +3.0 to -3.0 stops and a simple auto bracketing function is also available.

Auto-focusing remains one of the weaker points of the sd Quattro. There are 9 focusing points to choose from and three point sizes, but you can only select one at a time, with no multi-AF point system that virtually all other cameras have. Yhe Free Movement AF mode allows the user to precisely select the focus frame from a slightly larger area, while the Face Detection AF mode detects human faces and prioritizes focusing on them. There’s a dedicated button below the navigation pad for choosing the focus point, but it’s still easier and quicker to set the focus to the middle point, then focus by half-pressing the shutter button and recompose the frame for off-centre subjects.

Sigma DP3 Quattro
Top of the Sigma sd Quattro

Despite using a system that combines Phase detection AF and Contrast detection AF, the sd Quattro’s autofocus system still isn’t exactly what you’d call snappy, especially in low-light. It usually locks onto the subject eventually, but there’s a noticeable 0.5 second delay that doesn’t make this camera particularly good for action photography. Note that the sd Quattro does now have a built-in focus assist lamp

Manual Focus is also available, which obviously avoids the auto-focus lag and speeds up the camera. It is possible to magnify the LCD display by 8x to check the focusing by pressing the OK button, although this doesn’t provide enough magnification or clarity to ensure precise focus. Focus peaking puts a coloured outline (white, black, red, or yellow) around the subject in the viewfinder for instant confirmation of the person or object currently in focus.

The Sigma sd Quattro doesn’t have a built-in pop-flash unit, just an optional flashgun which fits in the external hotshoe directly above the lens. Sigma suggest that you use the optional EF-140S external flashgun with the sd Quattro. Also on top of the camera body is the unusual Lock switch which prevents any accidental pressing of buttons. The buttons that are locked with this switch may be customized by the user.

It’s fair to say that movies aren’t exactly the Sigma sd Quattro’s strong point, in that Sigma have completely ommitted video recording. The battery life is also poor, with a CIPA quoted life of 200 shots – we managed 180 images before needing to recharge. Sigma have decided to only supply one battery in the box, so you’ll need to budget for a few spares to get through a days shooting.

Sigma DP3 Quattro
Tthe Sigma sd Quattro In-hand

The main menu system on the Sigma sd Quattro, accessed by pressing the Menu button above the navigation pad, is rather rudimentary but simple to use. There are three tabs along the top, Camera, Play and Settings, subdivided into 6, 2 and 5 screens of options respectively. Due to the large LCD screen and restricting the number of on-screen choices to 5, the various options and icons are quite clear and legible, and each option uses a combination of text and helpful small icon.

The more intuitive Quick Set menu is accessed via the QS button on top of the camera, as the name suggests providing quicker access to eight key features – ISO, Metering, Burst Mode, White Balance, Image Size, Image Resolution, Crop Mode and Colour Mode. The navigation pad keys and rear control dial are then used to select the various options for each feature.

Once you have captured a photo, the Sigma sd Quattro has a rather limited range of options when it comes to playing, reviewing and managing your images. You can instantly scroll through the images that you have taken, view thumbnails (9 onscreen at once), zoom in and out up to 10x magnification, view slideshows with various configurable options, set the print order, record a soundclip, lock, mark, and rotate an image.

The Display button toggles detailed settings information about each picture on and off, such as the ISO rating and aperture / shutter speed, and there is a small histogram available during playback and also when taking a picture. You can also turn on the useful Exposure Warning which shows a flashing red area for any overexposed parts of a recorded image. When taking a photo, pressing the Display button toggles between the detailed information, the small histogram with an electronic level, a status screen with no live preview, and turning the LCD screen off.

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Image Quality

All of the sample images in this review were taken using the High JPEG setting, which gives an average image size of around 13Mb.

The Sigma sd Quattro’s image quality is outstanding when shooting in the RAW format, with great results from ISO 100-1600. Curiously the quality drops off noticeably when shooting JPEGs, with only ISO 100-400 worth using thanks to a lot of noise and colour desaturation at the higher ISOs, so our advice would be to always use the sd Quattro’s RAW mode if possible (despite the so-so Sigma Photo pro software and the huge file sizes). The night photograph was very good, with the maximum shutter speed of 30 seconds allowing you to capture enough light for the majority of after-dark situations.

Noise

There are 7 ISO settings available on the Sigma sd Quattro for both JPEGs and RAW files. Here are some 100% crops which show the noise levels for each ISO setting, with JPEG on the left and RAW on the right:

JPEG

RAW

ISO 100 (100% Crop)

ISO 100 (100% Crop)

   

ISO 200 (100% Crop)

ISO 200 (100% Crop)

   

ISO 400 (100% Crop)

ISO 400 (100% Crop)

   

ISO 800 (100% Crop)

ISO 800 (100% Crop)

   

ISO 1600 (100% Crop)

ISO 1600 (100% Crop)

   

ISO 3200 (100% Crop)

ISO 3200 (100% Crop)

   

ISO 6400 (100% Crop)

ISO 6400 (100% Crop)

File Quality

The Sigma sd Quattro has 3 different JPEG image quality settings available, with Fine being the highest quality option. Here are some 100% crops which show the quality of the various options, with the file size shown in brackets.

Fine (10.2Mb) (100% Crop) Normal (6.94Mb) (100% Crop)
   
Basic (4.25Mb) (100% Crop) RAW (51.3Mb) (100% Crop)

Night

The Sigma sd Quattro’s maximum shutter speed is 30 seconds and there’s a Bulb mode which allows for exposures of up to 2 minutes, which is good news if you’re seriously interested in night photography. The shot below was taken using a shutter speed of 30 seconds at ISO 100.

Night

Color Modes

The Sigma sd Quattro offers 11 different color modes.

Standard

Vivid

   

Neutral

Portrait

   

Landscape

Cinema

   

Sunset Red

Forest Green

   

FOV Classic Blue

FOV Classic Yellow

   

Monochrome

 
 

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Sample Images

This is a selection of sample images from the Sigma sd Quattro camera, which were all taken using the High JPEG setting. The thumbnails below link to the full-sized versions, which have not been altered in any way.

Sample RAW Images

The Sigma sd Quattro enables users to capture RAW and JPEG format files. We’ve provided some Sigma RAW (X3F) samples for you to download (thumbnail images shown below are not 100% representative).

Sample RAW Image

Download

1/125s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

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1/50s · f/8 · 45mm · ISO 100
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Sample RAW Image

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1/3200s · f/2 · 45mm · ISO 100
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Sample RAW Image

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1/1000s · f/5.6 · 45mm · ISO 100
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Sample RAW Image

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1/80s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

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1/50s · f/8 · 45mm · ISO 160
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Sample RAW Image

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1/500s · f/5.6 · 45mm · ISO 100
Download Original

Sample RAW Image

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1/50s · f/8 · 45mm · ISO 640
Download Original

Sample RAW Image

Download

1/125s · f/1.4 · 45mm · ISO 100
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Sample RAW Image

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1/50s · f/5.6 · 45mm · ISO 1000
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Sample RAW Image

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1/50s · f/1.4 · 45mm · ISO 125
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Sample RAW Image

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1/2000s · f/1.4 · 45mm · ISO 100
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Sample RAW Image

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1/320s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/500s · f/1.4 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/50s · f/11 · 45mm · ISO 320
Download Original

Sample RAW Image

Download

1/50s · f/11 · 45mm · ISO 160
Download Original

Sample RAW Image

Download

1/320s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/100s · f/11 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/1600s · f/1.4 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/80s · f/1.4 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/1000s · f/1.4 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/2000s · f/1.4 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/50s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/800s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/100s · f/5.6 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/125s · f/5.6 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/640s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/125s · f/8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/1600s · f/2.8 · 45mm · ISO 100
Download Original

Sample RAW Image

Download

1/50s · f/16 · 45mm · ISO 640
Download Original

Sample RAW Image

Download

1/50s · f/5.6 · 45mm · ISO 160
Download Original

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

Mac users, we’re pleased to announce Macphun’s all-in-one photo editor Luminar is now available for just $69£52

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Product Images

Sigma DP3 Quattro

Front of the Sigma sd Quattro

 
Sigma DP3 Quattro

Front of the Sigma sd Quattro

 
Sigma DP3 Quattro

Side of the Sigma sd Quattro

 
Sigma DP3 Quattro

Side of the Sigma sd Quattro

 
Sigma DP3 Quattro

Side of the Sigma sd Quattro

 
Sigma DP3 Quattro

Side of the Sigma sd Quattro

 
Sigma DP3 Quattro

Rear of the Sigma sd Quattro

 
Sigma DP3 Quattro

Rear of the Sigma sd Quattro / Image Displayed

 
Sigma DP3 Quattro

Rear of the Sigma sd Quattro / Turned On

 

Sigma DP3 Quattro

Rear of the Sigma sd Quattro / Main Menu

 
Sigma DP3 Quattro
Rear of the Sigma sd Quattro / Quick Menu
 
Sigma DP3 Quattro
Top of the Sigma sd Quattro
 
Sigma DP3 Quattro
Bottom of the Sigma sd Quattro
 
Sigma DP3 Quattro
Side of the Sigma sd Quattro
 
Sigma DP3 Quattro
Side of the Sigma sd Quattro
 
Sigma DP3 Quattro
Front of the Sigma sd Quattro
 
Sigma DP3 Quattro
Memory Card Slot
 
Sigma DP3 Quattro
Battery Compartment

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Specifications

Format
Format Interchangeable Lens SLR Type Digital Camera
Compatible Lenses SIGMA SA mount interchangeable lenses
Lens Mount SIGMA SA bayonet mount
Angle of View Equivalent to approx. 1.5 times the focal length of the lens (on 35mm cameras)
Image Sensor
Image Sensor Foveon X3 direct image sensor(CMOS)
Image Sensor Size 23.4×15.5mm (0.9in. ×0.6in. )
Number of Pixels Effective Pixels: Approx. 29.5MP
T(Top): 5,440×3,616 / M(Middle): 2,720×1,808 / B(Bottom): 2,720×1,808
Total Pixels: Approx. 33.2MP
Aspect Ratio 3:2
Recording System
Storage Media SD Card, SDHC Card, SDXC Card, Eye-Fi Card
File Format Lossless compression RAW data (14-bit), JPEG (Exif2.3), RAW+JPEG
JPEG Image Quality FINE, NORMAL, BASIC
Color Mode 11 types ( Standard, Vivid, Neutral, Portrait, Landscape, Cinema, Sunset Red, Forest Green, FOV Classic Blue, FOV Classic Yellow, Monochrome )
File Size

RAW

HIGH T:5,424×3,616 / M:2,712×1,808 / B:2,712×1,808
LOW T:2,704×1,808 / M:2,704×1,808 / B:2,704×1,808

JPEG

[21:9]
S-HI 7,680×3,296
HIGH 5,424×2,328
LOW 2,704×1,160
S-LO 1,920×816
[16:9]
S-HI 7,680×4,320
HIGH 5,424×3,048
LOW 2,704×1,520
S-LO 1,920×1,080
[3:2]
S-HI 7,680×5,120
HIGH 5,424×3,616
LOW 2,704×1,808
S-LO 1,920×1,280
[4:3]
S-HI 6,816×5,120
HIGH 4,816×3,616
LOW 2,400×1,808
S-LO 1,696×1,280
[7:6]
S-HI 6,352×5,120
HIGH 4,480×3,616
LOW 2,224×1,808
S-LO 1,584×1,280
[1:1]
S-HI 5,120×5,120
HIGH 3,616×3,616
LOW 1,808×1,808
S-LO 1,280×1,280
White Balance
Settings 12 types ( Auto, Auto (Lighting Source Priority), Daylight, Shade, Overcast, Incandescent, Fluorescent, Color Temperature, Flash, Custom 1, Custom 2, Custom 3 )
Viewfinder
Type Electronic viewfinder (approx. 2,360,000 dots color LCD monitor)
Viewfinder Frame Coverage approx. 100%
Viewfinder Magnification 1.10x (-1m-1, 50mm F1.4 at infinity)
Eye point approx. 21mm (–1m-1)
Diopter Adjustment Range approx. -4m-1 to +2m-1
Autofocus
Auto Focus Type Phase difference detection system + Contrast detection system
AF Point 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
AF Operating Range EV -1~EV 18 (ISO100 F1.4)
Focus Mode Single AF, Continuous AF (with AF motion prediction function), Manual
Focus Lock AEL/AF lock button is pressed or shutter release button is pressed halfway
Exposure Control
Metering Systems Evaluative Metering, Spot Metering, Center-Weighted Average Metering
Metering Range EV 0~EV 17 (50mm F1.4 ISO100)
Exposure Control System (P) Program AE (Program Shift is possible), (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual
ISO Sensitivity ISO 100-6400
Exposure Compensation ±5 EV (in 1/3 stop increments)
AE Lock AEL/AF lock button is pressed or shutter release button is pressed halfway
Auto Bracketing Number of shots: 3, or 5 (Appropriate, under, over; 1/3EV steps up to ±3EV for appropriate exposure)
Shutter
Shutter Type Electronically Controlled Focal Plane Shutter
Shutter Speed 1/4000 – 30 sec., Bulb (With Extended Mode : Max. 2 min.)
External Flash Sync. X-Sync(1/180)
Flash
Connectivity Hot shoe (contact X synchronization at 1/180 sec. or less, with dedicated flash linking contact)
Sync Terminal Available
LCD Monitor
Type TFT color LCD monitor
Monitor Size 3.0″
LCD Pixels Approx. 1,620,000 dots
Coverage 100%
Electronic Level Display Available
Playback
Reviewing Images Single frame display, 9 frames multi display, Zoom, Slide Show
Highlight Display Available
Histogram Available
Menu
LCD Monitor Language English / Japanese / German / French / Spanish / Italian / Simplified Chinese / Traditional Chinese / Korean / Russian / Dutch / Polish / Portuguese / Danish / Swedish / Norwegian / Finnish
Interfaces
Interfaces USB (USB3.0, micro B), HDMI (Type C mini-pin HDMI connector), Remote
Power Source
Power Li-ion Battery BP-61, Battery Charger BC-61, AC adapter SAC-7 (optional) [DC connector CN-31, AC cable (supplied)]
Dimensions and Weight
Dimensions 147mm/5.79″(W) × 95.1mm /3.74″(H) × 90.8mm/3.57″(D)
Weight 625g / 22oz. (without battery and card)
Operating Environment
Operating Temperature 0 – +40℃
Accessories
Accessories Li-ion Battery Pack BP-61 / Battery Charger BC-61 / AC Cable of Battery Charger / USB Cable / Strap / Body Cap / Instruction Manual / Limited Warranty / Warranty Sticker
Optional Accessories
Optional Accessories Power Grip PG-41 / Cable Release Switch CR-31 / Electronic Flash EF-630 / Li-ion Battery BP-61 / Battery Charger BC-61 (AC cable is supplied) / AC adapter SAC-7(optional)[DC connector CN-31, AC cable (supplied)]

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Conclusion

The new Sigma sd Quattro mirrorless camera continues the three core Sigma camera traditions, namely superb image quality, idiosyncratic user interface, and slow performance. Once again, if you prefer a more leisurely approach to taking pictures, the sd Quattro will reward you with some amazing images, if you can get on with the “unusual” user interface.

The Foveon X3 Quattro sensor returns again, and whether you believe it to have the 39 megapixels that Sigma claim or or the native 20 megapixels of the top blue/luminance layer, it can deliver stunningly sharp, high-resolution images. As this is a compact system camera, you’re free to use whichever Sigma SA-mount lens you desire, unlike the DP Quattro compact cameras from a couple of years ago, which had fixed lenses.

Despite some improvements to the operational speed in the form of not one but two Truepic III processors, the Sigma sd Quattro is still a rather unresponsive camera that’s really only suited to static or slow-moving subjects, especially as the combined phase/contrast detection AF system still takes about 1/2 second to lock on to the subject. The latest radical new design is again a love it or hate it affair, with the Sigma sd Quattro resembling a DSLR camera in size and weight, and battery life is shockingly poor for a modern camera. We did enjoy using the excellent EVF and rear LCD screens though.

In summary, the Sigma sd Quattro ports the 3-layer Foveon technology from the fixed lens, compact camera design of the DP-series to a more adaptable mirrorless design, which should broaden its appeal. It’s still something of a hard sell when compared to its direct competition, but no other camera delivers quite the same image quality as the Sigma sd Quattro…

4 stars

Ratings (out of 5)
Design 3
Features 3.5
Ease-of-use 3
Image quality 5
Value for money 4.5

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

Mac users, we’re pleased to announce Macphun’s all-in-one photo editor Luminar is now available for just $69£52

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Main Rivals

Listed below are some of the rivals of the Sigma sd Quattro.

Canon EOS M3

Canon EOS M3 Review thumbnail

The Canon EOS M3 is a new compact system camera that offers 24 megapixel resolution, full 1080p high-definition videos, a faster auto-focusing system, and a touch-screen interface. Other key features of the EOS M3 include a tilting 3-inch LCD screen, ISO range of 100-12,800, wi-fi and NFC connectivity, and a built-in flash. Is Canon’s new mirrorless model finally a real contender? Read our Canon EOS M3 review to find out…

Fujifilm X-Pro2

Fujifilm X-Pro2 Review thumbnail

The new Fujifilm X-Pro2 is an exciting flagship premium compact system camera. The weather-proof X-Pro2 offers a brand new 24 megapixel sensor that’s claimed to rival full-frame DSLRs, an improved hybrid viewfinder, faster processor and AF system, and a host of other improvements. Read our Fujifilm X-Pro2 review to find out if it can live up to its early promise…

Fujifilm X-T2

Fujifilm X-T2 Review thumbnail

The Fujifilm X-T2 is a new compact system camera that builds on the success of the popular 2-year-old X-T1, most notably by adding 4K video recording, a more sophisticated auto-focusing system, and a wealth of other improvements. Read our in-depth Fujifilm X-T2 review to find out if it’s worth the upgrade…

Olympus OM-D E-M1

Olympus OM-D E-M1 Review thumbnail

The Olympus O-MD E-M1 is a new professional compact system camera. Targeting its DSLR rivals, Olympus are promoting the E-M1 as a smaller and more capable camera. Read our expert Olympus E-M1 review to find out if it really can beat the competition…

Olympus PEN-F

Olympus PEN-F Review thumbnail

The new Olympus PEN-F is a new premium compact system camera boasting a gorgeous retro design and some pro-level features, including a new 20 megapixel sensor, 5-axis image stabilisation, 10fps burst shooting, vari-angle 3-inch LCD touchscreen, 4K time-lapse movies, an electronic shutter and built-in wi-fi. Priced at £999 / $1199 body-only, is the PEN-F all style and no substance? Read our in-depth Olympus PEN-F review to find out…

Panasonic Lumix DMC-GX8

Panasonic Lumix DMC-GX8 Review thumbnail

The Panasonic Lumix DMC-GX8 is a new premium compact system camera aimed firmly at enthusiast photographers. With a new 20 megapixel Micro Four Thirds sensor, dual lens and in-body image stabilization, built-in tilting electronic OLED viewfinder, 3 inch free-angle OLED touchscreen, 4K video and photo modes, integrated wi-fi and NFC connectivity, and a weather-proof rangefinder-like design, can the Panasonic GX8 live up to its early promise? Read our in-depth Panasonic Lumix DMC-GX8 review complete with sample images, test shots, videos and more to find out…

Panasonic Lumix DMC-GX80

Panasonic Lumix DMC-GX80 Review thumbnail

The Panasonic Lumix DMC-GX80 is a new mid-range compact system camera. With a 16 megapixel Micro Four Thirds sensor with no optical low pass filter, new dual 5-axis image stabilization, built-in electronic viewfinder, 3 inch tilting LCD touchscreen, 4K video and photo modes, and integrated wi-fi connectivity, can the Panasonic GX80 live up to its early promise? Read our in-depth Panasonic Lumix DMC-GX80 review complete with sample images, test shots, videos and more to find out…

Sony A6300

Sony A6300 Review thumbnail

The Sony A6300 is a new high-end compact system camera that features the fastest auto-focusing system in the world and the highest number of AF points. With a 24.2 megapixel APS-C CMOS sensor, 4K movie recording, high-res 3-inch tilting LCD screen, electronic viewfinder and built-in flash, the Sony NEX-6 also offers 11fps burst shooting, wi-fi and NFC connectivity, and downloadable PlayMemories Camera Apps. Read our in-depth Sony A6300 review to find out if it’s the best Sony APS-C camera yet…

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

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Review Roundup

Reviews of the Sigma sd Quattro from around the web.

ephotozine.com »

The Sigma sd Quattro is the new mirrorless interchangeable lens camera from Sigma, and replaces the SD1 Merrill, which was Sigma’s Digital SLR camera. The sd Quattro features the same Sigma SA lens mount, making it compatible with all Sigma SA lenses. The sq Quattro features the same APS-C Foveon sensor as the dp Quattro series, and is available for £799 body only, or £999 with 30mm f/1.4 Art lens.
Read the full review »

Sigma sd Quattro Review Image

Sigma sd Quattro Review Image

Mac users, we’re pleased to announce Macphun’s all-in-one photo editor Luminar is now available for just $69£52

with special Valentine Day bonuses (two eBooks, Vivid Wonderland preset pack, & Creative Sky Overlay pack) included for free until February 19.

Use coupon code “PHOTOBLOG” to save another $10 on Luminar.

We rated Luminar as “Highly Recommended”. Visit the Luminar web site to try it for free.

Download Luminar & Try Free »

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SOURCE:http://www.photographyblog.com/reviews/sigma_sd_quattro_review