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Sigma DP1 Gordon Laing, June 2008
 
Sigma DP1 Gallery

The following images were taken with a final production Sigma DP1. All but the first image were taken using firmware revision 1.02.

The DP1 was set to Hi Fine JPEG quality, Auto White Balance and Evaluative metering. The contrast, saturation and sharpening were left at their default 0 settings.

The individual exposure mode, file sizes, shutter speeds, aperture, ISO and lens focal length are listed for each image.

The crops are taken from the original files, reproduced at 100% and saved in Adobe Photoshop CS2 as JPEGs with the default Very High quality preset, while the resized images were made in Photoshop CS2 and saved with the default High quality preset. The three crops are typically taken from far left, central and far right portions of each image.

Note: you may wish to open our Canon EOS 450D / XSi Gallery and Panasonic Lumix DMC-FX500 Gallery for a direct comparison of detail and noise.



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Landscape: 2.59MB, Program, 1/125, f6.3, ISO 50, 16.6mm (equivalent to 28mm)

    Our first Gallery shot was squeezed in just before we went to press. Sigma released a firmware update 1.03 which added a 'LOW 50' ISO option, and that's what we've used here.

The shot illustrates the DP1's incredibly clean and detailed output given the right conditions.

Note: Sigma warns of possible highlight clipping in LOW 50 mode, and indeed there is some clipping in this shot. So expose particularly carefully at this setting.
     
   
     
   


Landscape: 1.98MB, Program, 1/100, f10, ISO 100, 16.6mm (equivalent to 28mm)


  This second shot was taken with the DP1 at 100 ISO under bright light, and so represents ideal conditions. We normally shoot this at a 28mm equivalent, so the DP1's fixed lens was ideal.

Like all the shots here, there's a distinct 'look' to the DP1's images, which is noticeably different to other cameras. Whether you like this or not is down to personal preference, but there's no denying the excellent per-pixel sharpness and degree of fine detail revealed in the crops.
     


Landscape: 2.68MB, Program, 1/100, f6.3, ISO 100, 16.6mm (equivalent to 28mm)

  Another shot taken at 100 ISO under bright light, and again ideal material for the DP1's fixed lens coverage.

Since the image has a lower output resolution than most modern cameras, the cropped areas are bigger than our other Galleries, but again the degree of sharpness and detail across the frame is very impressive.
     


Landscape: 3.12MB, Program, 1/250, f7.1, ISO 200, 16.6mm (equivalent to 28mm)

  For this shot of an approaching boat we normally zoom the lenses in, but here with the DP1's fixed lens, simply waited for it to come closer and occupy more of the frame.

Following our other Galleries, the sensitivity was increased to 200 ISO, and thankfully there's no issues to report.

As before, the crops are highly detailed and the lens exhibiting no issues with the high contrast material.
     


Portrait: 2.68MB, Program, 1/320, f10, ISO 200, 16.6mm (equivalent to 28mm)


  For this portrait shot we kept the sensitivity at 200 ISO and fired the built-in flash to reduce harsh shadows.

The DP1's 28mm equivalent focal length is not ideal for portrait work, but if you position yourself carefully, you can avoid wide angle distortion. Thanks to the size of the sensor, it's also possible to blur the background a little at f4, but here we shot in program mode with the flash.

The crops are again packed with sharp detail - the DP1 is certainly a great performer at these lower sensitivities.
     


Macro: 2.58MB, Program, 1/160, f8, ISO 400, 16.6mm (equivalent to 28mm)

  For this macro shot we increased the sensitivity to 400 ISO and positioned the camera as close at it would focus in its 'Full-AF' range.

The combination of a wide angle lens and a modest 30cm closest focusing distance means the DP1 is not that well suited to macro work. Indeed rather than capturing a detailed portion of the 17x17cm board here, it can't even quite fill the frame with it.

But what is has captured is certainly detailed, although some chroma noise is visible in those darker areas.

     


Indoor: 2.71MB, Program, 1/25, f4, ISO 400, 16.6mm (equivalent to 28mm)


  Our first indoor shot was taken with the DP1 at 400 ISO. Again, the wide angle coverage was ideal for the composition.

As seen in the previous example, some chroma noise has become apparent in the darker areas of the image. It's certainly nowhere near as clean a result as we'd hope for a camera with a DSLR-sized sensor at this sensitivity.

That said, it's still better than conventional compacts and there's still quite a lot of detail in the image.
     


Indoor: 2.56MB, Program, 1/15, f4, ISO 800, 16.6mm (equivalent to 28mm)

  Our second indoor shot was taken with the sensitivity increased to 800 ISO.

Here the chroma noise effects have become much worse, and while the result is still superior to most compacts, it's certainly not up there with decent DSLRs.

Under these dim lighting conditions, the DP1's live view also became grainy and monochrome - we've not seen this with any other modern camera.
     


Indoor: 2.48MB, Program, 1/50, f4, ISO 800, 16.6mm (equivalent to 28mm)

  The DP1's maximum sensitivity is 800 ISO, so our final indoor shot was again taken at this sensitivity.

As with the previous 800 ISO samples, there's more chroma noise than you'd expect from a DSLR-sized sensor, especially one with larger than average pixels too.

But again it's better than the result from traditional compacts. But if you're looking for low noise at higher sensitivities, it's no match for a decent DSLR.
     

All words, images, videos and layout, copyright 2005-2014 Gordon Laing. May not be used without permission.

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