Pentax ist DS2 vs Sony TX55

In this write-up, we are evaluating the Pentax ist DS2 and Sony TX55, former being a Advanced DSLR while the other is a Ultracompact by companies Pentax and Sony. There is a considerable difference between the sensor resolutions of the ist DS2 (6MP) and TX55 (16MP) and the ist DS2 (APS-C) and TX55 (1/2.3") use totally different sensor sizes.

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The ist DS2 was brought out 7 years earlier than the TX55 and that is quite a large difference as far as tech is concerned. Each of these cameras offer different body type with the Pentax ist DS2 being a Mid-size SLR camera and the Sony TX55 being a Ultracompact camera.

Before diving through a full comparison, below is a simple synopsis of how the ist DS2 grades against the TX55 for portability, imaging, features and an overall rating.

Following is a sample of the gallery pics for Pentax ist DS2 & Sony Cyber-shot DSC-TX55. The entire galleries are viewable at Pentax ist DS2 Gallery & Sony TX55 Gallery.

If you are intending to carry your camera frequently, you should factor in its weight and dimensions. The Pentax ist DS2 offers outside dimensions of 125mm x 93mm x 66mm (4.9" x 3.7" x 2.6") with a weight of 605 grams (1.33 lbs) whilst the Sony TX55 has dimensions of 93mm x 54mm x 13mm (3.7" x 2.1" x 0.5") accompanied by a weight of 109 grams (0.24 lbs).

Check the Pentax ist DS2 and Sony TX55 in our newest Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will vary depending on the lens you are employing at that moment. Below is the front view over all size comparison of the ist DS2 against the TX55.

Looking at size and weight, the portability rating of the ist DS2 and TX55 is 68 and 97 respectively.

Generally, it can be difficult to visualise the gap between sensor sizing purely by going over specs. The visual underneath may offer you a stronger sense of the sensor dimensions in the ist DS2 and TX55.

All in all, the two cameras enjoy different megapixels and different sensor sizing. The ist DS2 due to its larger sensor will make shooting bokeh simpler and the Sony TX55 will offer you extra detail having its extra 10MP. Greater resolution can also help you crop photos far more aggressively. The older ist DS2 is going to be behind with regard to sensor technology.