Olympus TG-2 iHS vs Sigma SD15

Following is a complete comparison of the Olympus TG-2 iHS and Sigma SD15, former is a Waterproof while the other is a Advanced DSLR by competitors Olympus and Sigma. There is a large difference among the sensor resolutions of the TG-2 iHS (12MP) and SD15 (5MP) and the TG-2 iHS (1/2.3") and SD15 (APS-C) provide different sensor measurements.

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The TG-2 iHS was announced 3 years after the SD15 which is a fairly serious difference as far as camera tech is concerned. Both of the cameras feature different body design with the Olympus TG-2 iHS being a Compact camera and the Sigma SD15 being a Mid-size SLR camera.

Before diving straight to a in depth comparison, here is a quick introduction of how the TG-2 iHS scores against the SD15 when considering portability, imaging, features and an overall score.

Below is a sample of the gallery pics for Olympus Tough TG-2 iHS & Sigma SD15. The whole galleries are provided at Olympus TG-2 iHS Gallery & Sigma SD15 Gallery.

For anyone who is going to carry around your camera regularly, you'll have to factor in its weight and proportions. The Olympus TG-2 iHS features exterior dimensions of 111mm x 67mm x 29mm (4.4" x 2.6" x 1.1") having a weight of 230 grams (0.51 lbs) and the Sigma SD15 has measurements of 144mm x 107mm x 81mm (5.7" x 4.2" x 3.2") accompanied by a weight of 750 grams (1.65 lbs).

Check out the Olympus TG-2 iHS and Sigma SD15 in our newest Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will vary dependant on the lens you choose at that moment. The following is a front view scale comparison of the TG-2 iHS and the SD15.

Considering size and weight, the portability rating of the TG-2 iHS and SD15 is 91 and 59 respectively.

Generally, it is very difficult to visualize the difference in sensor sizes simply by checking out a spec sheet. The picture below might give you a better sense of the sensor dimensions in the TG-2 iHS and SD15.

Clearly, both cameras feature different megapixels and different sensor sizes. The TG-2 iHS using its smaller sensor is going to make shooting shallow depth of field harder and the Olympus TG-2 iHS will provide extra detail with its extra 7MP. Greater resolution will also make it easier to crop images way more aggressively. The more modern TG-2 iHS should have a benefit with regard to sensor technology.