Olympus TG-5 vs Pentax K-S1

Let's take a deeper look at the Olympus TG-5 and Pentax K-S1, former being a Waterproof while the latter is a Advanced DSLR by competitors Olympus and Pentax. There exists a noticeable gap among the image resolutions of the TG-5 (12MP) and K-S1 (20MP) and the TG-5 (1/2.3") and K-S1 (APS-C) come with totally different sensor size.

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The TG-5 was manufactured 2 years later than the K-S1 and that is a fairly sizable difference as far as camera technology is concerned. The two cameras offer different body type with the Olympus TG-5 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before diving straight into a complete comparison, below is a quick introduction of how the TG-5 grades against the K-S1 when considering portability, imaging, features and an overall grade.

Below is a preview of the gallery images for Olympus Tough TG-5 & Pentax K-S1. The entire galleries are provided at Olympus TG-5 Gallery & Pentax K-S1 Gallery.

For anybody who is planning to lug around your camera, you have to factor its weight and volume. The Olympus TG-5 features physical measurements of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") with a weight of 250 grams (0.55 lbs) while the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Compare the Olympus TG-5 and Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change based on the lens you have chosen at the time. The following is the front view dimension comparison of the TG-5 versus the K-S1.

Factoring in dimensions and weight, the portability grade of the TG-5 and K-S1 is 90 and 69 respectively.

More often than not, it is tough to see the difference in sensor measurements simply by checking out technical specs. The visual here might offer you a better sense of the sensor measurements in the TG-5 and K-S1.

As you can tell, both of the cameras enjoy different resolutions and different sensor measurements. The TG-5 due to its smaller sensor will make shooting shallow DOF more difficult and the Pentax K-S1 will show extra detail due to its extra 8 Megapixels. Higher resolution will let you crop photographs far more aggressively. The fresher TG-5 is going to have a benefit with regard to sensor tech.