Ricoh GR Digital III vs Sigma SD1

Here is a complete assessment of the Ricoh GR Digital III versus Sigma SD1, one being a Small Sensor Compact and the other is a Advanced DSLR by manufacturers Ricoh and Sigma. There exists a significant gap between the sensor resolutions of the GR Digital III (10MP) and SD1 (15MP) and the GR Digital III (1/1.7") and SD1 (APS-C) use different sensor size.

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The GR Digital III was unveiled 14 months prior to the SD1 making the cameras a generation apart from one another. The two cameras come with different body type with the Ricoh GR Digital III being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before we go straight into a complete comparison, below is a concise summary of how the GR Digital III scores vs the SD1 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pictures for Ricoh GR Digital III and Sigma SD1. The full galleries are available at Ricoh GR Digital III Gallery and Sigma SD1 Gallery.

When you are aiming to carry your camera frequently, you need to factor in its weight and dimensions. The Ricoh GR Digital III offers external dimensions of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") accompanied by a weight of 208 grams (0.46 lbs) and the Sigma SD1 has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs).

Analyze the Ricoh GR Digital III versus Sigma SD1 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are employing at that time. The following is the front view physical size comparison of the GR Digital III against the SD1.

Looking at dimensions and weight, the portability grade of the GR Digital III and SD1 is 92 and 77 respectively.

More often than not, it is very tough to imagine the gap between sensor sizing just by reading through specs. The visual here will provide you a far better sense of the sensor sizes in the GR Digital III and SD1.

As you can plainly see, both of these cameras posses different resolutions and different sensor sizing. The GR Digital III having a tinier sensor is going to make achieving bokeh harder and the Sigma SD1 will give extra detail having an extra 5MP. Greater resolution can also let you crop photos somewhat more aggressively. The older GR Digital III is going to be behind when it comes to sensor technology.