Pentax WG-3 vs Sony A37

Lets look closer at the Pentax WG-3 and Sony A37, one being a Waterproof and the latter is a Entry-Level DSLR by companies Pentax and Sony. The resolution of the WG-3 (16MP) and the A37 (16MP) is pretty comparable but the WG-3 (1/2.3") and A37 (APS-C) possess different sensor size.

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The WG-3 was unveiled 15 months later than the A37 which makes the cameras a generation apart from each other. Both of these cameras offer different body type with the Pentax WG-3 being a Compact camera and the Sony A37 being a Compact SLR camera.

Before we go in to a in depth comparison, below is a concise introduction of how the WG-3 matches up versus the A37 with respect to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Pentax WG-3 and Sony SLT-A37. The full galleries are available at Pentax WG-3 Gallery and Sony A37 Gallery.

If you're planning to carry your camera regularly, you need to factor in its weight and size. The Pentax WG-3 provides external dimensions of 124mm x 64mm x 33mm (4.9" x 2.5" x 1.3") with a weight of 230 grams (0.51 lbs) while the Sony A37 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") along with a weight of 506 grams (1.12 lbs).

Contrast the Pentax WG-3 and Sony A37 in the all new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will differ depending on the lens you choose during that time. Following is the front view sizing comparison of the WG-3 against the A37.

Factoring in size and weight, the portability score of the WG-3 and A37 is 90 and 67 respectively.

Usually, its difficult to picture the contrast in sensor sizing simply by going through technical specs. The visual here might give you a stronger sense of the sensor dimensions in the WG-3 and A37.

As you can tell, both of these cameras enjoy the same exact MP albeit different sensor sizing. The WG-3 has got the smaller sensor which is going to make achieving shallow DOF more difficult. The newer WG-3 provides an advantage in sensor tech.