Sigma SD15

Released September, 2008
  • 4.6 MP
  • Sigma X3 20.7 x 13.8 mm CMOS
  • 3" LCD
The Quick Set button is in charge of the photo style (Standard, Vivid, Neutral, Portrait, Landscape), file format (RAW or JPEG), white balance and image quality (if you're shooting JPEGs).
by TechRadar (Sep, 2010)
8.3 Out of 10

Camera Rocket Review Our evaluation of the Sigma SD15

Image Quality

RAW image quality independent of lens

Sigma SD15
n.d.
Nikon D800
n.d.
EOS 50D
n.d.
Tested Resolution

Focusing

How fast and easily does the camera nail focus

Sigma SD15
5.5
EOS 50D
7.1
cross type focus points and focus points

Responsiveness

How much delay is there between you and your photo?

Sigma SD15
10.0
Nikon D800
10.0
EOS 50D
10.0
continuous shooting

Reviews

What do the experts think?

Sigma SD15
8.5
EOS 50D
9.3
Reviews from trustedreviews.com, techradar.com, photographyblog.com and 43rumors.com

8.3

Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

Sigma SD15
8.3
EOS 50D
9.0

Benchmarks Real world tests of the Sigma SD15

Continuous shooting Delay between fully pressing shutter to image capture

Sigma SD15
3 fps
EOS 50D
6.3 fps
X-Pro1
6 fps

Battery life How many photos per battery charge (CIPA)

Sigma SD15
500 photos
Nikon D810
1,200 photos
Nikon D800
900 photos

Photo Gallery Wallpaper quality closeups of the camera

Reviews Word on the street for the Sigma SD15


6.0
The Sigma SD15's maximum shutter speed is 30 seconds and there's also a Bulb mode for even longer exposures, which is excellent news if you're seriously interested in night photography.

7.0
The Sigma f/2.8 24-70mm EX DG lens supplied with the test camera is outstanding, with minimal wide-angle distortion.

6.0
This camera can't shoot RAW and JPEG files simultaneously, so it's likely most users will choose to shoot RAW.

Overall

6.9 Out of 10

What People Are Saying Give it to me straight

Sensor

You can open and convert its files with Adobe Camera Raw, but the Sigma software is better-tuned to the camera's own colour modes, and gives rather better performance at high ISOs.
by TechRadar (Sep, 2010)
If you haven't seen what the Foveon sensor can do, you'll be amazed at the clarity of the fine detail it produces.
by TechRadar (Sep, 2010)
The subtle tones and shades picked up by the Foveon sensor that rivals miss provide a more rounded, almost three-dimensional impression, or at least that's what Sigma would have us believe.
by Photography Blog (Aug, 2010)

Lens

There's a mirror lock-up mode for cutting shake with macro shots and extreme telephoto lenses, and inside the lens throat there's a glass Dust Protector designed to prevent dust getting into the mirror box and on to the sensor.
by TechRadar (Sep, 2010)
Sigma's best known for its lenses, but it also produces two very interesting cameras.
by TechRadar (Sep, 2010)
One unique feature of the Sigma body design is a sealed glass cover just inside the lens mount, protecting the sensor and mirror from dust.
by TrustedReviews (Jun, 2014)

Image quality

The only image tone control available for the SD15 is a single menu option to adjust saturation, contrast and sharpness.
by TrustedReviews (Jun, 2014)
This is therefore not a 'budget' DSLR but a long-term investment for those who are really serious about image quality first and foremost.
by Photography Blog (Aug, 2010)
In terms of colours, selecting the standard and neutral picture modes delivered a distinctly washed out feel, and only by selecting the vivid mode did we achieve the visual punch we were looking for straight out of the camera.
by Photography Blog (Aug, 2010)

Iso

As also noted, under normal circumstances light sensitivity runs from a modest ISO 100 to ISO 1600, the sort of spec you'd find on a pocket camera; but by delving into the menu system and switching on the 'Extended mode' this can be extended to ISO 50 or ISO 3200 at either end of the scale.
by Photography Blog (Aug, 2010)
Having said that, the conversions produced by the Sigma Photo Pro software from ISO1600 originals aren't at all bad, and you can trade off noise against smoothing to get a balance you're comfortable with.
by TechRadar (Sep, 2010)
Image quality at 800 ISO is pretty poor.
by TrustedReviews (Jun, 2014)

Resolution

Sigma can call it 14.06 megapixels until they're blue in the face, but there's no getting away from the fact that the final image size is only 2640 x 1760 pixels, 4.64 megapixels, and that's where it counts.
by TrustedReviews (Jun, 2014)
Yes, it is certainly much better than a conventional 4.6 megapixel sensor, but it's competing with technology from five years ago.
by TrustedReviews (Jun, 2014)
Since it contains approximately 14 million individual photocells Sigma insists on calling it a 14 megapixel sensor.
by TrustedReviews (Jun, 2014)

Specifications Full list of technical specs

sensor

Type CMOS
Megapixels 4.6 MP
Resolution 2640 x 1760
Size Sigma X3
Area 20.7 x 13.8 mm
Crop factor 1.7x
Pixel size 61.5 microns
Light sensitivity 100 ISO to 800 ISO
Light sensitivity (Boost) 800 ISO to 1,600 ISO
Codecs
  1. RAW
  2. JPEG

focus system

Type Phase detection
Focus points 7
Cross type focus points 1
Supports continuous No

viewfinder

Viewfinder mirror Opaque
Viewfinder Viewfinder
Type Pentaprism
Coverage 98%
Magnification 0.9x
Viewfinder size 0.52x

performance

Max continuous shooting 3 fps
Battery life 500 photos
Continuous shooting 3 fps, JPEG

video

Video None

display

Type LCD
Size 3"
Resolution 150 k dots
Has a touch screen No
Has a flip out screen No
Supports live view No

shutter

Min 30 s
Max 1/4000 s

form factor

Size 144 x 107 x 81 mm
Thickness 81 mm
Weight 750 g
Is weather sealed No

features

Is a smart camera No
Includes a GPS No
Supports HDR No
Automatic panorama No
Create realistic 3D images No
Image stabilization None
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