Olympus TG-870 vs Sony A33

Here is a extensive comparison of the Olympus TG-870 and Sony A33, one being a Ultracompact and the other is a Entry-Level DSLR by companies Olympus and Sony. The sensor resolution of the TG-870 (16MP) and the A33 (14MP) is very close but the TG-870 (1/2.3") and A33 (APS-C) boast different sensor sizes.

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The TG-870 was unveiled 5 years later than the A33 and that is a fairly serious gap as far as camera technology is concerned. Both cameras feature different body design with the Olympus TG-870 being a Ultracompact camera and the Sony A33 being a Compact SLR camera.

Before delving right into a comprehensive comparison, here is a simple summation of how the TG-870 matches up against the A33 with respect to portability, imaging, features and an overall rating.

This is a sample of the gallery pics for Olympus Stylus Tough TG-870 and Sony SLT-A33. The full galleries are available at Olympus TG-870 Gallery and Sony A33 Gallery.

For anybody who is planning to carry your camera frequently, you will need to take into account its weight and measurements. The Olympus TG-870 offers external dimensions of 113mm x 64mm x 28mm (4.4" x 2.5" x 1.1") accompanied by a weight of 221 grams (0.49 lbs) while the Sony A33 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") with a weight of 500 grams (1.10 lbs).

Analyze the Olympus TG-870 and Sony A33 in the latest Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you choose during that time. Here is a front view measurements comparison of the TG-870 versus the A33.

Looking at dimensions and weight, the portability grade of the TG-870 and A33 is 91 and 67 respectively.

More often than not, it is very difficult to imagine the difference in sensor sizing simply by viewing a spec sheet. The visual below may provide you a much better sense of the sensor sizes in the TG-870 and A33.

As you can see, both of these cameras come with different resolutions and different sensor sizing. The TG-870 using its smaller sensor is going to make achieving shallower depth of field more difficult and the Olympus TG-870 will result in greater detail having an extra 2 Megapixels. Greater resolution will also let you crop pics a good deal more aggressively. The newer TG-870 should have an edge with regard to sensor innovation.