Casio EX-Z550 vs Sony A77

Below is a thorough analysis of the Casio EX-Z550 vs Sony A77, former being a Ultracompact while the latter is a Advanced DSLR by companies Casio and Sony. There is a sizable difference among the resolutions of the EX-Z550 (14MP) and A77 (24MP) and the EX-Z550 (1/2.3") and A77 (APS-C) offer totally different sensor dimensions.

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The EX-Z550 was unveiled 21 months prior to the A77 which makes them a generation apart from each other. Both cameras have different body design with the Casio EX-Z550 being a Ultracompact camera and the Sony A77 being a Mid-size SLR camera.

Before going right into a in depth comparison, here is a simple introduction of how the EX-Z550 scores vs the A77 with respect to portability, imaging, features and an overall grade.

Here is a preview of the gallery images for Casio Exilim EX-Z550 & Sony SLT-A77. The full galleries are provided at Casio EX-Z550 Gallery & Sony A77 Gallery.

For anyone who is intending to lug around your camera regularly, you will need to take into account its weight and measurements. The Casio EX-Z550 provides external measurements of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") accompanied by a weight of 143 grams (0.32 lbs) whilst the Sony A77 has proportions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") accompanied by a weight of 732 grams (1.61 lbs).

Take a look at the Casio EX-Z550 vs Sony A77 in our completely new Camera & Lens Size Comparison Tool.

Remember, the weight of an ILC will change dependant on the lens you choose during that time. Here is a front view sizing comparison of the EX-Z550 vs the A77.

Looking at size and weight, the portability score of the EX-Z550 and A77 is 95 and 59 respectively.

In many cases, it is very hard to visualise the gap in sensor measurements purely by checking out technical specs. The photograph below may give you a greater sense of the sensor measurements in the EX-Z550 and A77.

As you have seen, both of these cameras have different megapixel count and different sensor measurements. The EX-Z550 using its smaller sensor will make getting shallow DOF more challenging and the Sony A77 will provide extra detail having an extra 10 Megapixels. Higher resolution will also let you crop pictures a bit more aggressively. The older EX-Z550 will be behind in sensor technology.