Casio EX-ZR100 vs Sony A55

Its time to look a little more closely at the Casio EX-ZR100 vs Sony A55, one being a Small Sensor Superzoom and the other is a Entry-Level DSLR by competitors Casio and Sony. There exists a sizeable gap between the image resolutions of the EX-ZR100 (12MP) and A55 (16MP) and the EX-ZR100 (1/2.3") and A55 (APS-C) use different sensor dimensions.

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The EX-ZR100 was revealed 11 months later than the A55 and they are both of a similar generation. Both cameras come with different body type with the Casio EX-ZR100 being a Compact camera and the Sony A55 being a Compact SLR camera.

Before diving through a step-by-step comparison, below is a brief summation of how the EX-ZR100 scores vs the A55 with regard to portability, imaging, features and an overall rating.

The following is a sample of the gallery pictures for Casio Exilim EX-ZR100 and Sony SLT-A55. The full galleries are available at Casio EX-ZR100 Gallery and Sony A55 Gallery.

For anybody who is intending to carry your camera often, you'll have to factor its weight and volume. The Casio EX-ZR100 provides external measurements of 105mm x 59mm x 29mm (4.1" x 2.3" x 1.1") and a weight of 204 grams (0.45 lbs) and 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).

Take a look at the Casio EX-ZR100 vs Sony A55 in the latest Camera with Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at the time. Following is the front view measurements comparison of the EX-ZR100 versus the A55.

Taking into consideration dimensions and weight, the portability grade of the EX-ZR100 and A55 is 92 and 67 respectively.

More often than not, it's hard to picture the difference between sensor sizing simply by reading technical specs. The graphic underneath should give you a much better sense of the sensor measurements in the EX-ZR100 and A55.

As you can tell, both of those cameras posses different resolutions and different sensor sizing. The EX-ZR100 with its tinier sensor is going to make getting shallower depth of field more challenging and the Sony A55 will offer you greater detail because of its extra 4MP. Greater resolution will also help you crop pics somewhat more aggressively. The more modern EX-ZR100 should have a benefit when it comes to sensor tech.