Sigma DP3 Merrill Compact Camera

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Key Features

  • 46MP (4,800 × 3,200 × 3 layers) APS-C Foveon X3 Merrill sensor
  • 50mm F2.8 lens (75mm equivalent)
  • Minimum focusing distance of 22.6cm (8.9”) max magnification ratio of 1:3
  • ISO 100-6400
  • 3" TFT LCD with 920,00 dots
  • Up to 7 FPS RAW continuous shooting (up to 14 FPS in medium & low image quality)
  • Focus ring type manual focus
  • RAW+JPEG format recording
  • Sigma Photo Pro software included
  • Hot shoe
  • VGA (640x480) video
  • SD/SDHC/SDXC compatible

Product Description

The Sigma DP3 Merrill, the latest iteration of the company's enthusiast large sensor compact camera. Nearly identical to the earlier DP Merrill models, this camera features the familiar 15x3MP APS-C Foveon X3 sensor, but it is now mated with a 50mm (75mm equiv.) F2.8 lens. The lens lends itself to portraiture and, with a minimum focus distance of 22.6cm, offers respectable 1:3 magnification. Video recording is still limited to VGA resolution but the DP3M can shoot at up to 4 frames per second for 7 frames in Raw.


Body type
Body type Large sensor compact
Effective pixels 15 megapixels
Sensor photo detectors 46 megapixels
Sensor size APS-C (24 x 16 mm)
Sensor type CMOS (Foveon X3)
Processor Dual TRUE II engine
Image stabilization Unknown
Uncompressed format RAW
Optics & Focus
Focal length (equiv.) 75 mm
Optical zoom 1×
Maximum aperture F2.8
Manual focus Yes
Screen / viewfinder
Articulated LCD Fixed
Screen dots 920,000
Viewfinder type None
Photography features
External flash Yes (via hot-shoe)
Videography features
Format Motion JPEG
Videography notes 640 x 480 (30 fps)
Microphone Mono
Speaker Mono
USB USB 2.0 (480 Mbit/sec)
Battery Battery Pack
Weight (inc. batteries) 330 g (0.73 lb / 11.64 oz)
Dimensions 122 x 67 x 59 mm (4.8 x 2.64 x 2.32)
Other features
GPS None


User Reviews

4.0 out of 5 stars
  • Ilkka Hartikainen, Jun 19, 2014 GMT:
    Very good for a certain purpose, not as an everyday camera

    I got the Sigma "dp3m" after reading about its extremely good image quality. From the reviews I gathered that the camera was not very good otherwise, and this is in a sense true, but my experience has been all-round positive. Using the camera is oddly a little bit like shooting on film, you don't really know what you got until you develop the images in Sigma's own software (Lightroom and ACR do not support the Sigma file format). The controls of the camera are intuitive and quick to access. ...

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  • Rowland Scherman, Jul 28, 2014 GMT:
    About the Sigma DP3

    It's a slow beast, but if you have the patience to use it right, the IQ is astonishing.  Not higher than 400 ISO, however.  I use it in the studio (because it SYNCs) and it because practically replaces a Hasselblad w/80mm.

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  • Toxar, Dec 20, 2014 GMT:
    A great camera for limited applications

    I've never seen so ambigous reviews for a camera as for the dp Merrills. Therefore I was hesitating to get one. After using the dp3 for a few days I must say that I'm very happy with it. The key thing is that you use it for applications it fits. I's great for still live, plants, portraits (but not children, they move too much) and slow, more artistic photography. For these applications, the slow speed, the small battery and other niggles are no big issue. The camera is ergonomically very ...

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DP3 Merrill Compact by Sigma

Questions & Answers


A6000 + 50 f1.8 OSS full size samples?

I've been looking for full res samples of the A6000 with the 50mm f1.8 OSS lens. I'm trying to judge how much of a resolution loss it would be compared to my Sigma DP3 Merrill. The A6000 would be a huge improvement on pretty much all areas, but if the image quality isn't decently close then it's a showstopper for me. I've read several places that a DP Merrill should correspond to around 25mp Bayer sensor, and that fits well with the A6000 and the 50mm f1.8 should be nice and sharp from f2.8 according to DxOMark. If anyone could post or link to full size images taken with the combination I'd much appreciate it.

3 months ago


taken yesterday afternoon during a very sunny day in Belgium Continue Reading

3 months ago

I'm posting samples for you. I bought the 50 f1.8 yesterday for my A6000, and there are comparisons to the 16-50 at 50 and the 55-210 at 55. Just scroll down through this album and look for the series of window shots. The lens and aperture is marked on each photo. The light did change back-and-forth a little outside. I just put it on Aperture-priority and AWB to let the camera handle everything. Continue Reading

istreetshooter answered
3 months ago


Is the DP3 Merrill supported by DCRaw?

Sorry to have wasted everyone's time on the wrong thread. It is the DP3 Merrill that I want to convert using Qimage. According to this list the DP1 and DP2 will work with DCRaw that is used within Qimage. If there was a DP3 Merrill raw file that I could download from the Sigma site I could test it myself. Tony

TonyGamble asked
9 months ago


A question too good to resist . . . Might be a thing or two there . . . ;-) Continue Reading

xpatUSA answered
9 months ago

Tony, Use SPP it is the best Software for the Merrills or indeed any of the Sigmas. S Continue Reading

Ceistinne answered
9 months ago

Someone from GETDpi has found me a source. It does seem that Qimage will not convert the RAWs. Drat. Tony Continue Reading

TonyGamble answered
9 months ago


Sigma DPn Merrill battery life with screen off

I used to have the first Sigma DP1. I loved looking at the images on the screen coming from that camera. It was so sharp, every pixel adding details to the scene. When the Merrills were released, the price was quite prohibitive, and so I didn't even consider any of them, and kept on using my MFT gear quite happily. Recently, I discovered that the prices of the Sigma DP Merrills have become not only cheap, but dirt cheap, when you consider the fact that just buying an equivalent lens would set you back the same as buying the whole camera, and I got more interested again. A lot of my photos are textures and patters from nature and urban settings: rocks, wood, weathered paint, frost, etc. - often scenes with hardly any dynamic range but a lot of detail - things that a Foveon sensor excels at. But I do hear a lot of mention of battery life - or lack thereof - and I was trying to Google to see if anyone had actually tried using any of the DP Merrills with the screen entirely off, using ...

Artistico asked
7 months ago


Yes. There was a fashion photographer around here within the last month and he shot with the screen turned off. Manual focus. Bash bash bash. I think he was doing well over 100 fashion shots a day. Some shots failed but gosh he clocked up the miles. Do some searching on this forum. I could do it for you and will if you fail. But the answers are there. EDIT. Here it is. Aren't I kind. Tony Continue Reading

TonyGamble answered
7 months ago

Just buy a few and put them in your pocket - Lin Continue Reading

Lin Evans answered
7 months ago

It's a non-issue. As written, the batteries are inexpensive and small; I received two with my DP2M and purchased two more for about $30 each. I certainly wouldn't change my shooting style, or try to avoid chimping, just to avoid having to take a couple of seconds to switch out a battery. Actually, I'm not sure I've even had to change batteries in one shoot, although I haven't done any serious winter shooting which will severely limit any battery's life. I usually have two cameras with me and the nature of the DPx cameras is that you have to spend some time composing and planning each photo (like in the old film days) so you take fewer photos but have more keepers. They're not like dSLRs where you find yourself shooting 10 RAW shots per second hoping to get one decent shot...and you're not going to be using a Merrill for sports, BIF, etc. Continue Reading

Corkcampbell answered
7 months ago
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