Olympus TG-810 vs Pentax K-01

The following is a extended overview of the Olympus TG-810 and Pentax K-01, one is a Waterproof and the other is a Entry-Level Mirrorless by companies Olympus and Pentax. The image resolution of the TG-810 (14MP) and the K-01 (16MP) is fairly similar but the TG-810 (1/2.3") and K-01 (APS-C) posses totally different sensor sizing.

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The TG-810 was announced 9 months before the K-01 which means that they are of a similar generation. Each of these cameras have different body design with the Olympus TG-810 being a Compact camera and the Pentax K-01 being a SLR-style mirrorless camera.

Before delving into a comprehensive comparison, here is a simple synopsis of how the TG-810 scores against the K-01 for portability, imaging, features and an overall mark.

Below is a sample of the gallery pictures for Olympus TG-810 and Pentax K-01. The whole galleries are provided at Olympus TG-810 Gallery and Pentax K-01 Gallery.

For anybody who is looking to travel with your camera, you are going to need to take into account its weight and measurements. The Olympus TG-810 offers external measurements of 100mm x 65mm x 26mm (3.9" x 2.6" x 1.0") with a weight of 215 grams (0.47 lbs) and the Pentax K-01 has proportions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs).

Analyze the Olympus TG-810 and Pentax K-01 in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are working with at the time. The following is a front view physical size comparison of the TG-810 compared to the K-01.

Factoring in dimensions and weight, the portability rating of the TG-810 and K-01 is 92 and 76 respectively.

Quite often, it's hard to see the difference between sensor dimensions just by reading specs. The picture below will help provide you a clearer sense of the sensor sizing in the TG-810 and K-01.

As you can plainly see, the 2 cameras have different megapixel count and different sensor dimensions. The TG-810 having a tinier sensor will make achieving shallow DOF more difficult and the Pentax K-01 will deliver extra detail with its extra 2MP. Greater resolution will also let you crop pics a bit more aggressively. The more aged TG-810 is going to be disadvantaged when it comes to sensor tech.