Ricoh WG-20 vs Sony A55

Following is a complete comparison of the Ricoh WG-20 and Sony A55, one is a Waterproof and the latter is a Entry-Level DSLR by brands Ricoh and Sony. The image resolution of the WG-20 (14MP) and the A55 (16MP) is pretty comparable but the WG-20 (1/2.3") and A55 (APS-C) possess different sensor size.

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The WG-20 was manufactured 3 years after the A55 which is a fairly significant gap as far as camera tech is concerned. Both the cameras come with different body type with the Ricoh WG-20 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before diving straight into a complete comparison, below is a quick summary of how the WG-20 scores versus the A55 with regards to portability, imaging, features and an overall score.

Here is a preview of the gallery images for Ricoh WG-20 and Sony SLT-A55. The entire galleries are available at Ricoh WG-20 Gallery and Sony A55 Gallery.

If you're looking to carry around your camera frequently, you're going to have to think about its weight and size. The Ricoh WG-20 has got outer dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") with a weight of 164 grams (0.36 lbs) whilst the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Analyze the Ricoh WG-20 and Sony A55 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that time. Here is the front view physical size comparison of the WG-20 vs the A55.

Factoring in size and weight, the portability rating of the WG-20 and A55 is 93 and 67 respectively.

Usually, it is tough to picture the contrast in sensor sizes merely by seeing a spec sheet. The picture below may give you a much better sense of the sensor sizes in the WG-20 and A55.

Clearly, both of those cameras have got different megapixel count and different sensor sizes. The WG-20 featuring a smaller sensor is going to make achieving shallow DOF trickier and the Sony A55 will show more detail due to its extra 2 Megapixels. Higher resolution can also help you crop shots much more aggressively. The newer WG-20 should have a benefit in sensor innovation.