Casio EX-100 vs Sony A55

Here, we are evaluating the Casio EX-100 vs Sony A55, one being a Small Sensor Superzoom and the other is a Entry-Level DSLR by companies Casio and Sony. There is a huge difference between the sensor resolutions of the EX-100 (12MP) and A55 (16MP) and the EX-100 (1/1.7") and A55 (APS-C) posses totally different sensor size.

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The EX-100 was launched 3 years later than the A55 and that is quite a significant gap as far as tech is concerned. Both of these cameras feature different body design with the Casio EX-100 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before going right into a comprehensive comparison, here is a quick overview of how the EX-100 grades vs the A55 with respect to portability, imaging, features and an overall rating.

Here is a sample of the gallery pics for Casio Exilim EX-100 and Sony SLT-A55. The complete galleries are viewable at Casio EX-100 Gallery and Sony A55 Gallery.

If you are going to carry your camera frequently, you are going to need to consider its weight and size. The Casio EX-100 features exterior dimensions of 119mm x 67mm x 50mm (4.7" x 2.6" x 2.0") with a weight of 389 grams (0.86 lbs) whilst the Sony A55 has specifications of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") accompanied by a weight of 500 grams (1.10 lbs).

Contrast the Casio EX-100 vs Sony A55 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have during that time. Below is a front view measurement comparison of the EX-100 and the A55.

Considering size and weight, the portability rating of the EX-100 and A55 is 83 and 67 respectively.

Usually, it is hard to envision the contrast between sensor sizing purely by reviewing technical specs. The visual below will help give you a much better sense of the sensor dimensions in the EX-100 and A55.

As you can tell, each of these cameras come with different megapixel count and different sensor sizing. The EX-100 because of its tinier sensor will make achieving shallow depth of field more difficult and the Sony A55 will deliver more detail utilizing its extra 4MP. Greater resolution will also enable you to crop pics a good deal more aggressively. The younger EX-100 will have an advantage when it comes to sensor innovation.