Olympus TG-4 vs Pentax K-7

Lets look much closer at the Olympus TG-4 and Pentax K-7, one is a Waterproof and the latter is a Advanced DSLR by companies Olympus and Pentax. The resolution of the TG-4 (16MP) and the K-7 (15MP) is pretty close but the TG-4 (1/2.3") and K-7 (APS-C) come with totally different sensor size.

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The TG-4 was announced 5 years after the K-7 which is a fairly large gap as far as camera tech is concerned. Both of the cameras come with different body type with the Olympus TG-4 being a Compact camera and the Pentax K-7 being a Mid-size SLR camera.

Before diving through a complete comparison, below is a concise summation of how the TG-4 scores vs the K-7 when it comes to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus Tough TG-4 and Pentax K-7. The whole galleries are available at Olympus TG-4 Gallery and Pentax K-7 Gallery.

In case you're intending to travel with your camera regularly, you will have to think about its weight and proportions. The Olympus TG-4 offers external measurements of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") and a weight of 247 grams (0.54 lbs) whilst the Pentax K-7 has measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") having a weight of 750 grams (1.65 lbs).

Examine the Olympus TG-4 and Pentax K-7 in the new Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at the time. Following is the front view physical size comparison of the TG-4 against the K-7.

Considering size and weight, the portability rating of the TG-4 and K-7 is 90 and 60 respectively.

Oftentimes, its tough to envision the difference in sensor dimensions purely by looking through specifications. The picture underneath should give you a better sense of the sensor measurements in the TG-4 and K-7.

Plainly, each of these cameras have got different resolutions and different sensor dimensions. The TG-4 with its smaller sensor will make achieving shallow DOF harder and the Olympus TG-4 will provide you with more detail with its extra 1 Megapixels. Higher resolution can also allow you to crop photographs much more aggressively. The more recent TG-4 will have an edge with regard to sensor innovation.