Casio EX-S7 vs Sony A55

Following is a comprehensive analysis of the Casio EX-S7 and Sony A55, one is a Ultracompact and the other is a Entry-Level DSLR by competitors Casio and Sony. There is a big difference among the image resolutions of the EX-S7 (12MP) and A55 (16MP) and the EX-S7 (1/2.3") and A55 (APS-C) enjoy different sensor size.

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The EX-S7 was brought out 6 months earlier than the A55 and they are of a similar generation. Both of these cameras offer different body type with the Casio EX-S7 being a Ultracompact camera and the Sony A55 being a Compact SLR camera.

Before diving through a full comparison, below is a short overview of how the EX-S7 scores against the A55 in terms of portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Casio Exilim EX-S7 and Sony SLT-A55. The entire galleries are provided at Casio EX-S7 Gallery and Sony A55 Gallery.

For anyone who is going to carry around your camera regularly, you'll have to consider its weight and measurements. The Casio EX-S7 features outer measurements of 97mm x 57mm x 20mm (3.8" x 2.2" x 0.8") having a weight of 121 grams (0.27 lbs) while the Sony A55 has proportions of 124mm x 92mm x 85mm (4.9" x 3.6" x 3.3") having a weight of 500 grams (1.10 lbs).

Check the Casio EX-S7 and Sony A55 in the all new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that time. Underneath is the front view dimension comparison of the EX-S7 and the A55.

Taking into account size and weight, the portability rating of the EX-S7 and A55 is 96 and 67 respectively.

Oftentimes, it is tough to visualize the contrast in sensor sizes purely by seeing a spec sheet. The pic underneath might provide you a better sense of the sensor sizing in the EX-S7 and A55.

As you can see, both cameras enjoy different megapixel count and different sensor sizes. The EX-S7 featuring a smaller sensor is going to make getting shallow depth of field more challenging and the Sony A55 will show more detail having its extra 4 Megapixels. Greater resolution will also let you crop images far more aggressively.