Olympus TG-320 vs Pentax K-3

Lets look a little more in depth at the Olympus TG-320 and Pentax K-3, one is a Waterproof and the other is a Advanced DSLR by rivals Olympus and Pentax. There exists a sizeable gap among the resolutions of the TG-320 (14MP) and K-3 (24MP) and the TG-320 (1/2.3") and K-3 (APS-C) possess different sensor dimensions.

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The TG-320 was brought out 3 years before the K-3 which is a fairly large gap as far as camera technology is concerned. Both of the cameras come with different body type with the Olympus TG-320 being a Compact camera and the Pentax K-3 being a Mid-size SLR camera.

Before diving through a detailed comparison, below is a quick summation of how the TG-320 grades vs the K-3 with regard to portability, imaging, features and an overall mark.

This is a sample of the gallery pics for Olympus TG-320 and Pentax K-3. The entire galleries are available at Olympus TG-320 Gallery and Pentax K-3 Gallery.

For those who are planning to travel with your camera regularly, you should think about its weight and proportions. The Olympus TG-320 features outside 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 Pentax K-3 has measurements of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") with a weight of 800 grams (1.76 lbs).

Take a look at the Olympus TG-320 and Pentax K-3 in the all new Camera and Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at the time. Here is the front view proportions comparison of the TG-320 compared to the K-3.

Taking into account dimensions and weight, the portability rating of the TG-320 and K-3 is 94 and 59 respectively.

More often than not, it is very difficult to visualize the gap in sensor dimensions simply by looking through specs. The picture below will help offer you a better sense of the sensor measurements in the TG-320 and K-3.

All in all, both cameras posses different megapixels and different sensor dimensions. The TG-320 because of its smaller sensor is going to make getting shallow depth of field more challenging and the Pentax K-3 will result in greater detail having its extra 10 Megapixels. Greater resolution will also allow you to crop pics somewhat more aggressively. The more aged TG-320 will be disadvantaged when it comes to sensor tech.