Pentax WG-3 vs Sony TX7

Here is a in-depth review of the Pentax WG-3 versus Sony TX7, one being a Waterproof and the latter is a Ultracompact by rivals Pentax and Sony. There is a significant difference between the image resolutions of the WG-3 (16MP) and TX7 (10MP) and the WG-3 (1/2.3") and TX7 (1/2.4") come with totally different sensor sizes.

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The WG-3 was launched 3 years later than the TX7 and that is quite a sizable gap as far as tech is concerned. Both cameras come with different body type with the Pentax WG-3 being a Compact camera and the Sony TX7 being a Ultracompact camera.

Before getting through a in-depth comparison, below is a simple summation of how the WG-3 scores against the TX7 when considering portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Pentax WG-3 and Sony Cyber-shot DSC-TX7. The complete galleries are viewable at Pentax WG-3 Gallery and Sony TX7 Gallery.

If you're looking to carry your camera regularly, you are going to need to consider its weight and volume. The Pentax WG-3 has outside measurements of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") having a weight of 230 grams (0.51 lbs) while the Sony TX7 has sizing of 98mm x 60mm x 18mm (3.9" x 2.4" x 0.7") along with a weight of 149 grams (0.33 lbs).

Compare the Pentax WG-3 versus Sony TX7 in the new Camera and Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change based on the lens you have at the time. Here is the front view measurement comparison of the WG-3 compared to the TX7.

Taking into consideration size and weight, the portability rating of the WG-3 and TX7 is 90 and 95 respectively.

Usually, it is hard to see the gap between sensor sizing only by looking at technical specs. The photograph here should offer you a much better sense of the sensor sizing in the WG-3 and TX7.

As you can tell, each of these cameras have got different resolutions and different sensor sizing. The WG-3 because of its bigger sensor will make getting shallow DOF less difficult and the Pentax WG-3 will give greater detail utilizing its extra 6 Megapixels. Higher resolution can also let you crop photographs much more aggressively. The younger WG-3 is going to have an edge with regard to sensor technology.