Excerpt: It can create color images with a richness and depth that allows you to capture and preserve glorious photographs. However, it does have drawbacks: its ISO range is rather small, which limits the lighting options, and its continuous shooting speed is an unfortunately slow three frames per second.
Pros: You can get beautiful color images with this camera.
Conclusion: And that's a shame. It's great to see such an innovative approach to digital imaging, and the quality of the Foveon X3 sensor's images is remarkable. We can only imagine what could be achieved if it could be developed into larger, higher-resolution versions.
Excerpt: With its bulky body trumpeting a semi-professional status, Sigma’s new digital SLR - the Sigma SD15 - offers 14.06 effective megapixels. But, because its unique sensor is triple layered, with one silicon-embedded layer of photodetectors each for absorbing red, green and blue, the pixel count for any JPEG shot is actually around 4.6 megapixels.
Pros: Compatible with over 40 lenses; unique Foveon X3 CMOS sensor; chunky build and rugged feel.
Excerpt: With its bulky body trumpeting a semi professional status, the SD15 offers 14.06 effective megapixels. But, because its unique sensor is triple layered, with one silicon-embedded layer of photodetectors each for absorbing red, green and blue, the pixel count for any JPEG shot is actually around 4.6 megapixels. The best way to retain maximum quality is to shoot unadulterated Raw files instead, which is where Sigma cameras come into their own.
Compatible with over 40 lenses and numerous accessories, unique Foveon X3 CMOS sensor, chunky build and rugged feel
No HD video shooting, no Live View, sensor aside, it’s not crammed with cutting-edge specification, very noisy at higher ISOs
Conclusion: Sigma's SD15 is an interesting, but slightly flawed camera. Picture quality can be something of a mixed bag - especially at higher ISOs - and its quirkiness will frustrate some users. It’s a love-hate DSLR.
Excerpt: Key features The Sigma SD15 is the more accessible of Sigma's two DSLR offerings - the other being the colossal 46MP SD1 Merrill. The 14.06MP SD15 uses a True II image processor and produces a crop factor of 1.7x, so you get slightly more reach out of lenses. The ISO range extends from 50-3200. The LCD screen is a good size at 3in, but with only 460k dots images lack clarity and sharpness.
Summary: The Sigma SD15 is an oddly eccentric fourth attempt at a high-end digital SLR by a manufacturer still better known for its accessories. Good results are achievable, but, by golly, you have to work for them.
Pros: Chunky build quality, Compatibility with over 40 Sigma lenses and accessories
Cons: Very noisy results at higher ISOs, No live view capability, No video capture