Sony A100 vs Sony A55

Here, we are looking at the Sony A100 vs Sony A55, both Entry-Level DSLR cameras and both of them are offered by Sony. There is a noticeable difference among the image resolutions of the A100 (10MP) and A55 (16MP) but both cameras offer the identical sensor size (APS-C).

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The A100 was brought out 5 years earlier than the A55 and that is a fairly sizable difference as far as camera tech is concerned. Both of these cameras feature the same body design (Compact SLR).

Before going right into a in depth comparison, here is a quick summation of how the A100 matches up against the A55 with regards to portability, imaging, features and an overall grade.

Following is a sample of the gallery pics for Sony Alpha DSLR-A100 & Sony SLT-A55. The entire galleries are available at Sony A100 Gallery & Sony A55 Gallery.

For anybody who is planning to lug around your camera frequently, you will need to consider its weight and volume. The Sony A100 enjoys outside dimensions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs) while the Sony A55 has sizing of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") and a weight of 500 grams (1.10 lbs).

Compare the Sony A100 vs Sony A55 in our brand new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change depending on the lens you are employing at that time. Here is a front view dimensions comparison of the A100 vs the A55.

Taking into consideration size and weight, the portability score of the A100 and A55 is 64 and 67 respectively.

In many cases, it can be difficult to visualise the difference in sensor measurements simply by checking out a spec sheet. The graphic here should provide you a far better sense of the sensor sizes in the A100 and A55.

Clearly, the two cameras feature the identical sensor size but not the same resolution. You can expect to see the Sony A55 to provide more detail having its extra 6MP. Greater resolution can also help you crop pics way more aggressively. The older A100 will be disadvantaged when it comes to sensor technology.