Olympus TG-320 vs Sony A100

In this write-up, we will be comparing the Olympus TG-320 and Sony A100, one is a Waterproof and the latter is a Entry-Level DSLR by manufacturers Olympus and Sony. There exists a big gap between the sensor resolutions of the TG-320 (14MP) and A100 (10MP) and the TG-320 (1/2.3") and A100 (APS-C) feature different sensor sizes.

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The TG-320 was announced 5 years after the A100 which is quite a big gap as far as technology is concerned. Both of these cameras offer different body type with the Olympus TG-320 being a Compact camera and the Sony A100 being a Compact SLR camera.

Before going straight into a more detailed comparison, below is a quick summary of how the TG-320 grades against the A100 with regard to portability, imaging, features and an overall score.

The following is a preview of the gallery images for Olympus TG-320 and Sony Alpha DSLR-A100. The whole galleries are provided at Olympus TG-320 Gallery and Sony A100 Gallery.

For anyone who is aiming to carry around your camera often, you need to consider its weight and dimensions. The Olympus TG-320 provides outer dimensions of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") along with a weight of 155 grams (0.34 lbs) while the Sony A100 has dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") having a weight of 638 grams (1.41 lbs).

Compare the Olympus TG-320 and Sony A100 in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you have chosen at that moment. Underneath is the front view sizing comparison of the TG-320 compared to the A100.

Considering dimensions and weight, the portability rating of the TG-320 and A100 is 94 and 64 respectively.

Typically, it's hard to imagine the contrast between sensor sizes merely by reading through a spec sheet. The picture here should give you a greater sense of the sensor sizes in the TG-320 and A100.

Clearly, both cameras offer different megapixel count and different sensor sizes. The TG-320 with its tinier sensor is going to make getting shallower depth of field tougher and the Olympus TG-320 will resolve extra detail with its extra 4MP. Higher resolution can also let you crop pictures a little more aggressively. The newer TG-320 provides an edge when it comes to sensor tech.