Ricoh GR Digital III vs Sony A900

The following is a in-depth overview of the Ricoh GR Digital III and Sony A900, one is a Small Sensor Compact and the other is a Advanced DSLR by brands Ricoh and Sony. There is a crucial difference between the image resolutions of the GR Digital III (10MP) and A900 (25MP) and the GR Digital III (1/1.7") and A900 (Full frame) provide totally different sensor sizes.

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The GR Digital III was manufactured 10 months after the A900 and they are of a similar generation. Both of these cameras have different body design with the Ricoh GR Digital III being a Compact camera and the Sony A900 being a Mid-size SLR camera.

Before delving right into a more detailed comparison, here is a quick summation of how the GR Digital III grades versus the A900 when considering portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Ricoh GR Digital III and Sony Alpha DSLR-A900. The entire galleries are viewable at Ricoh GR Digital III Gallery and Sony A900 Gallery.

For anybody who is intending to travel with your camera often, you are going to need to factor in its weight and volume. The Ricoh GR Digital III offers outer 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) while the Sony A900 has sizing of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") along with a weight of 895 grams (1.97 lbs).

Compare the Ricoh GR Digital III and Sony A900 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are employing at that moment. Below is a front view size comparison of the GR Digital III vs the A900.

Taking into consideration size and weight, the portability grade of the GR Digital III and A900 is 92 and 54 respectively.

Generally, it is hard to see the difference between sensor dimensions simply by reading a spec sheet. The image below may offer you a far better sense of the sensor sizes in the GR Digital III and A900.

As you can see, each of the cameras have different megapixels and different sensor dimensions. The GR Digital III featuring a tinier sensor will make achieving shallower DOF more challenging and the Sony A900 will offer you more detail due to its extra 15MP. Greater resolution will help you crop images a bit more aggressively. The more recent GR Digital III is going to have an edge when it comes to sensor innovation.