Olympus TG-870 vs Sony A900

Below, we are analyzing the Olympus TG-870 and Sony A900, one is a Ultracompact and the other is a Advanced DSLR by manufacturers Olympus and Sony. There is a crucial difference among the image resolutions of the TG-870 (16MP) and A900 (25MP) and the TG-870 (1/2.3") and A900 (Full frame) come with totally different sensor measurements.

Photography Glossary

The TG-870 was brought out 7 years after the A900 which is a fairly serious gap as far as camera tech is concerned. The two cameras come with different body type with the Olympus TG-870 being a Ultracompact camera and the Sony A900 being a Mid-size SLR camera.

Before diving straight into a full comparison, below is a short view of how the TG-870 scores vs the A900 for portability, imaging, features and an overall score.

Below is a sample of the gallery pictures for Olympus Stylus Tough TG-870 and Sony Alpha DSLR-A900. The entire galleries are viewable at Olympus TG-870 Gallery and Sony A900 Gallery.

For anybody who is planning to carry around your camera, you're going to have to factor in its weight and measurements. The Olympus TG-870 enjoys external dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") with a weight of 221 grams (0.49 lbs) while the Sony A900 has proportions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).

Examine the Olympus TG-870 and Sony A900 in the all new Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that moment. Here is the front view measurements comparison of the TG-870 vs the A900.

Using size and weight, the portability score of the TG-870 and A900 is 91 and 54 respectively.

Generally, it is difficult to see the contrast in sensor sizes merely by checking out specs. The picture underneath may give you a much better sense of the sensor dimensions in the TG-870 and A900.

As you can plainly see, the two cameras posses different megapixel count and different sensor sizes. The TG-870 because of its smaller sensor will make getting shallow DOF more challenging and the Sony A900 will provide greater detail having its extra 9 Megapixels. Greater resolution can also let you crop pics somewhat more aggressively. The more modern TG-870 will have an edge in sensor technology.