Olympus TG-4 vs Sony A33

Following is a in-depth comparison of the Olympus TG-4 vs Sony A33, one is a Waterproof and the other is a Entry-Level DSLR by brands Olympus and Sony. The resolution of the TG-4 (16MP) and the A33 (14MP) is very comparable but the TG-4 (1/2.3") and A33 (APS-C) posses totally different sensor dimensions.

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The TG-4 was introduced 4 years after the A33 which is a fairly serious gap as far as camera tech is concerned. Both cameras have different body design with the Olympus TG-4 being a Compact camera and the Sony A33 being a Compact SLR camera.

Before we go right into a thorough comparison, here is a brief overview of how the TG-4 scores versus the A33 with regard to portability, imaging, features and an overall score.

Here is a sample of the gallery pics for Olympus Tough TG-4 and Sony SLT-A33. The whole galleries are available at Olympus TG-4 Gallery and Sony A33 Gallery.

If you are looking to carry around your camera, you will need to factor its weight and size. The Olympus TG-4 offers exterior dimensions of 112mm x 66mm x 31mm (4.4" x 2.6" x 1.2") along with a weight of 247 grams (0.54 lbs) and the Sony A33 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).

Look at the Olympus TG-4 vs Sony A33 in the latest Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at the time. Following is a front view measurements comparison of the TG-4 versus the A33.

Looking at size and weight, the portability score of the TG-4 and A33 is 90 and 67 respectively.

Often, it can be difficult to see the contrast in sensor sizes merely by seeing technical specs. The picture below will help give you a greater sense of the sensor dimensions in the TG-4 and A33.

As you can tell, each of the cameras provide different megapixel count and different sensor sizes. The TG-4 with its smaller sensor will make achieving shallower DOF more challenging and the Olympus TG-4 will produce more detail using its extra 2MP. Greater resolution will also let you crop pics more aggressively. The younger TG-4 is going to have a benefit with regard to sensor innovation.