Olympus SP-100 vs Sony A390

Following is a complete review of the Olympus SP-100 vs Sony A390, one is a Small Sensor Superzoom and the other is a Entry-Level DSLR by brands Olympus and Sony. The sensor resolution of the SP-100 (16MP) and the A390 (14MP) is fairly similar but the SP-100 (1/2.3") and A390 (APS-C) have different sensor measurements.

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The SP-100 was introduced 3 years after the A390 which is quite a big gap as far as technology is concerned. Each of these cameras have different body design with the Olympus SP-100 being a SLR-like (bridge) camera and the Sony A390 being a Compact SLR camera.

Before we go right into a complete comparison, here is a simple summation of how the SP-100 matches up versus the A390 for portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Olympus Stylus SP-100 and Sony Alpha DSLR-A390. The whole galleries are available at Olympus SP-100 Gallery and Sony A390 Gallery.

If you're looking to carry around your camera frequently, you'll need to factor its weight and measurements. The Olympus SP-100 features external measurements of 122mm x 91mm x 133mm (4.8" x 3.6" x 5.2") having a weight of 594 grams (1.31 lbs) while the Sony A390 has proportions of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") and a weight of 549 grams (1.21 lbs).

Contrast the Olympus SP-100 vs Sony A390 in the all new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at the time. Here is a front view overall size comparison of the SP-100 and the A390.

Taking into consideration dimensions and weight, the portability rating of the SP-100 and A390 is 63 and 66 respectively.

Typically, it is difficult to visualize the difference between sensor sizes just by going over a spec sheet. The pic here will give you a much better sense of the sensor measurements in the SP-100 and A390.

Clearly, each of these cameras have different resolutions and different sensor sizes. The SP-100 having a tinier sensor is going to make achieving shallow depth of field trickier and the Olympus SP-100 will offer extra detail using its extra 2 Megapixels. Greater resolution will allow you to crop photos a bit more aggressively. The newer SP-100 should have an advantage with regard to sensor tech.