Olympus TG-3 vs Pentax K-7

Its time to look a bit more in depth at the Olympus TG-3 versus Pentax K-7, former is a Waterproof while the latter is a Advanced DSLR by manufacturers Olympus and Pentax. The image resolution of the TG-3 (16MP) and the K-7 (15MP) is pretty comparable but the TG-3 (1/2.3") and K-7 (APS-C) enjoy totally different sensor sizing.

Photography Glossary

The TG-3 was revealed 4 years after the K-7 which is a fairly large difference as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus TG-3 being a Compact camera and the Pentax K-7 being a Mid-size SLR camera.

Before getting through a comprehensive comparison, below is a brief introduction of how the TG-3 scores against the K-7 with regard to portability, imaging, features and an overall mark.

Below is a preview of the gallery images for Olympus Tough TG-3 & Pentax K-7. The full galleries are viewable at Olympus TG-3 Gallery & Pentax K-7 Gallery.

If you are planning to travel with your camera, you're going to have to take into account its weight and volume. The Olympus TG-3 features exterior dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") and a weight of 247 grams (0.54 lbs) while the Pentax K-7 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs).

Check the Olympus TG-3 versus Pentax K-7 in our completely new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will vary dependant on the lens you have attached at the time. Underneath is the front view over all size comparison of the TG-3 against the K-7.

Taking into consideration size and weight, the portability rating of the TG-3 and K-7 is 90 and 60 respectively.

Often, it can be difficult to see the contrast in sensor dimensions just by checking out technical specs. The pic underneath will provide you a more clear sense of the sensor dimensions in the TG-3 and K-7.

As you have seen, each of the cameras posses different megapixels and different sensor dimensions. The TG-3 with its smaller sensor will make shooting shallower DOF trickier and the Olympus TG-3 will produce greater detail because of its extra 1 Megapixels. Higher resolution will also help you crop shots somewhat more aggressively. The more recent TG-3 will have an edge when it comes to sensor tech.