Olympus TG-320 vs Sigma SD1

Following is a in depth comparison of the Olympus TG-320 and Sigma SD1, former is a Waterproof while the latter is a Advanced DSLR by companies Olympus and Sigma. The sensor resolution of the TG-320 (14MP) and the SD1 (15MP) is relatively close but the TG-320 (1/2.3") and SD1 (APS-C) enjoy totally different sensor measurements.

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The TG-320 was launched 16 months after the SD1 which makes the cameras a generation away from one another. Both the cameras offer different body type with the Olympus TG-320 being a Compact camera and the Sigma SD1 being a Mid-size SLR camera.

Before delving in to a in-depth comparison, below is a concise overview of how the TG-320 scores versus the SD1 in the way of portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Olympus TG-320 & Sigma SD1. The complete galleries are available at Olympus TG-320 Gallery & Sigma SD1 Gallery.

If you're planning to carry around your camera regularly, you have to consider its weight and volume. The Olympus TG-320 enjoys physical measurements of 96mm x 63mm x 23mm (3.8" x 2.5" x 0.9") with a weight of 155 grams (0.34 lbs) whilst the Sigma SD1 has sizing of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") and a weight of n/a grams (0.00 lbs).

Contrast the Olympus TG-320 and Sigma SD1 in our brand new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you have attached at that moment. Here is the front view proportions comparison of the TG-320 vs the SD1.

Factoring in dimensions and weight, the portability score of the TG-320 and SD1 is 94 and 77 respectively.

Normally, it can be hard to see the contrast in sensor sizes merely by looking through specs. The image here will help provide you a clearer sense of the sensor measurements in the TG-320 and SD1.

As you can plainly see, each of these cameras enjoy different megapixel count and different sensor sizes. The TG-320 due to its smaller sensor will make getting shallow DOF more challenging and the Sigma SD1 will result in more detail utilizing its extra 1 Megapixels. Higher resolution will let you crop pictures far more aggressively. The more recent TG-320 will have a benefit with regard to sensor tech.