Olympus TG-3 vs Sigma SD1

On this page, we will be evaluating the Olympus TG-3 vs Sigma SD1, one being a Waterproof and the latter is a Advanced DSLR by manufacturers Olympus and Sigma. The sensor resolution of the TG-3 (16MP) and the SD1 (15MP) is relatively comparable but the TG-3 (1/2.3") and SD1 (APS-C) boast different sensor sizes.

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The TG-3 was brought out 3 years later than the SD1 and that is a fairly big gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus TG-3 being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before getting straight to a in-depth comparison, here is a concise view of how the TG-3 scores versus the SD1 in relation to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Olympus Tough TG-3 and Sigma SD1. The entire galleries are available at Olympus TG-3 Gallery and Sigma SD1 Gallery.

For those who are looking to carry your camera frequently, you are going to need to consider its weight and volume. The Olympus TG-3 features physical measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") having a weight of 247 grams (0.54 lbs) while the Sigma SD1 has sizing of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).

Examine the Olympus TG-3 vs Sigma SD1 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose during that time. Following is a front view dimension comparison of the TG-3 and the SD1.

Factoring in size and weight, the portability score of the TG-3 and SD1 is 90 and 77 respectively.

Generally, its hard to picture the gap in sensor sizing simply by seeing a spec sheet. The graphic here will help give you a far better sense of the sensor measurements in the TG-3 and SD1.

Clearly, the 2 cameras provide different megapixel count and different sensor sizing. The TG-3 featuring a smaller sensor is going to make getting shallow DOF more difficult and the Olympus TG-3 will produce extra detail having its extra 1MP. Higher resolution can also enable you to crop photographs more aggressively. The more recent TG-3 provides a benefit when it comes to sensor tech.