Ricoh G900 vs Sigma SD1 Merrill

Below, we are evaluating the Ricoh G900 and Sigma SD1 Merrill, one being a Waterproof and the other is a Advanced DSLR by competitors Ricoh and Sigma. There is a crucial difference between the sensor resolutions of the G900 (20MP) and SD1 Merrill (15MP) and the G900 (1/2.3") and SD1 Merrill (APS-C) possess totally different sensor measurements.

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The G900 was manufactured 5 years later than the SD1 Merrill and that is quite a serious gap as far as tech is concerned. Each of the cameras come with different body type with the Ricoh G900 being a Compact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before getting in to a detailed comparison, below is a simple introduction of how the G900 grades against the SD1 Merrill for portability, imaging, features and an overall rating.

Following is a sample of the gallery pictures for Ricoh G900 and Sigma SD1 Merrill. The entire galleries are available at Ricoh G900 Gallery and Sigma SD1 Merrill Gallery.

For those who are planning to carry your camera regularly, you will want to factor its weight and measurements. The Ricoh G900 comes with exterior measurements of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") and a weight of 247 grams (0.54 lbs) while the Sigma SD1 Merrill has proportions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs).

Compare the Ricoh G900 and Sigma SD1 Merrill in the new Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose at that moment. Underneath is the front view scale comparison of the G900 versus the SD1 Merrill.

Using size and weight, the portability rating of the G900 and SD1 Merrill is 89 and 57 respectively.

Often, its difficult to see the difference between sensor sizing just by looking at technical specs. The photograph here should offer you a much better sense of the sensor sizing in the G900 and SD1 Merrill.

As you have seen, both of these cameras posses different megapixels and different sensor sizing. The G900 because of its tinier sensor will make achieving shallow depth of field trickier and the Ricoh G900 will resolve more detail due to its extra 5MP. Greater resolution can also let you crop photos somewhat more aggressively. The more recent G900 is going to have a benefit in sensor technology.