Ricoh GR Digital IV vs Sigma Quattro

Below is a thorough comparison of the Ricoh GR Digital IV versus Sigma Quattro, one being a Small Sensor Compact and the other is a Advanced Mirrorless by rivals Ricoh and Sigma. There exists a huge gap among the image resolutions of the GR Digital IV (10MP) and Quattro (29MP) and the GR Digital IV (1/1.7") and Quattro (APS-C) posses totally different sensor sizing.

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The GR Digital IV was introduced 5 years before the Quattro and that is a fairly significant gap as far as camera technology is concerned. Each of these cameras have different body design with the Ricoh GR Digital IV being a Compact camera and the Sigma Quattro being a Rangefinder-style mirrorless camera.

Before getting right into a more detailed comparison, here is a concise synopsis of how the GR Digital IV scores vs the Quattro in regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Ricoh GR Digital IV and Sigma sd Quattro. The whole galleries are viewable at Ricoh GR Digital IV Gallery and Sigma Quattro Gallery.

In case you're aiming to lug around your camera, you have to factor its weight and volume. The Ricoh GR Digital IV has physical dimensions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") and a weight of 190 grams (0.42 lbs) while the Sigma Quattro has sizing of 147mm x 95mm x 91mm (5.8" x 3.7" x 3.6") along with a weight of 625 grams (1.38 lbs).

Analyze the Ricoh GR Digital IV versus Sigma Quattro in the all new Camera and Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at that time. Underneath is a front view dimensions comparison of the GR Digital IV and the Quattro.

Looking at dimensions and weight, the portability rating of the GR Digital IV and Quattro is 92 and 63 respectively.

Normally, it is difficult to visualise the gap in sensor measurements merely by checking out a spec sheet. The visual below may offer you a clearer sense of the sensor sizes in the GR Digital IV and Quattro.

As you can see, the two cameras have different megapixels and different sensor measurements. The GR Digital IV with its smaller sensor will make achieving shallow depth of field more difficult and the Sigma Quattro will provide greater detail using its extra 19 Megapixels. Greater resolution will also enable you to crop photos a bit more aggressively. The older GR Digital IV will be behind with regard to sensor innovation.