Ricoh PX vs Sony A390

In this write-up, we will be reviewing the Ricoh PX versus Sony A390, former is a Small Sensor Compact while the latter is a Entry-Level DSLR by competitors Ricoh and Sony. The resolution of the PX (16MP) and the A390 (14MP) is relatively similar but the PX (1/2.3") and A390 (APS-C) use totally different sensor size.

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The PX was unveiled 13 months after the A390 which makes the cameras a generation away from one another. Each of these cameras offer different body type with the Ricoh PX being a Compact camera and the Sony A390 being a Compact SLR camera.

Before diving straight into a comprehensive comparison, below is a short summation of how the PX matches up versus the A390 with respect to portability, imaging, features and an overall score.

The following is a preview of the gallery photos for Ricoh PX & Sony Alpha DSLR-A390. The full galleries are viewable at Ricoh PX Gallery & Sony A390 Gallery.

When you are going to carry around your camera, you should factor in its weight and dimensions. The Ricoh PX has outside measurements of 100mm x 55mm x 21mm (3.9" x 2.2" x 0.8") accompanied by a weight of 156 grams (0.34 lbs) and the Sony A390 has dimensions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") with a weight of 549 grams (1.21 lbs).

Analyze the Ricoh PX versus Sony A390 in our newest Camera plus Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you have attached at that time. Here is the front view dimension comparison of the PX versus the A390.

Using dimensions and weight, the portability rating of the PX and A390 is 95 and 66 respectively.

Typically, it can be hard to envision the difference between sensor sizes simply by going over specifications. The picture below will provide you a far better sense of the sensor measurements in the PX and A390.

Plainly, the two cameras enjoy different megapixels and different sensor sizes. The PX using its tinier sensor will make shooting shallow DOF trickier and the Ricoh PX will offer you greater detail having an extra 2 Megapixels. Higher resolution can also enable you to crop photographs far more aggressively. The more recent PX is going to have a benefit in sensor innovation.