Canon 1D MIII vs Ricoh GR Digital IV

Below is a in-depth analysis of the Canon 1D MIII vs Ricoh GR Digital IV, one being a Pro DSLR and the other is a Small Sensor Compact by manufacturers Canon and Ricoh. The image resolution of the 1D MIII (10MP) and the GR Digital IV (10MP) is fairly well matched but the 1D MIII (APS-H) and GR Digital IV (1/1.7") possess totally different sensor sizes.

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The 1D MIII was unveiled 5 years prior to the GR Digital IV and that is quite a significant gap as far as technology is concerned. Both cameras come with different body type with the Canon 1D MIII being a Large SLR camera and the Ricoh GR Digital IV being a Compact camera.

Before delving straight into a full comparison, below is a short summary of how the 1D MIII grades against the GR Digital IV in the way of portability, imaging, features and an overall grade.

Following is a sample of the gallery pictures for Canon EOS-1D Mark III and Ricoh GR Digital IV. The full galleries are provided at Canon 1D MIII Gallery and Ricoh GR Digital IV Gallery.

For anyone who is going to lug around your camera frequently, you will want to consider its weight and proportions. The Canon 1D MIII comes with exterior measurements of 156mm x 157mm x 80mm (6.1" x 6.2" x 3.1") along with a weight of 1335 grams (2.94 lbs) whilst the Ricoh GR Digital IV has measurements of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") with a weight of 190 grams (0.42 lbs).

Analyze the Canon 1D MIII vs Ricoh GR Digital IV in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary based on the lens you are using at the time. Below is the front view dimensions comparison of the 1D MIII against the GR Digital IV.

Taking into consideration dimensions and weight, the portability score of the 1D MIII and GR Digital IV is 51 and 92 respectively.

More often than not, it's difficult to see the gap between sensor measurements just by checking specifications. The graphic below may give you a more clear sense of the sensor sizing in the 1D MIII and GR Digital IV.

Plainly, both the cameras have got the exact same megapixels but not the same sensor measurements. The 1D MIII provides the larger sensor which will make achieving bokeh easier. The older 1D MIII is going to be disadvantaged in sensor innovation.