Casio EX-Z270 vs Sony A7S

Here, we will be reviewing the Casio EX-Z270 versus Sony A7S, one is a Ultracompact and the latter is a Pro Mirrorless by companies Casio and Sony. The image resolution of the EX-Z270 (10MP) and the A7S (12MP) is relatively close but the EX-Z270 (1/2.5") and A7S (Full frame) provide different sensor sizes.

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The EX-Z270 was introduced 6 years earlier than the A7S which is a fairly big gap as far as camera technology is concerned. Each of the cameras feature different body design with the Casio EX-Z270 being a Ultracompact camera and the Sony A7S being a SLR-style mirrorless camera.

Before diving into a more detailed comparison, here is a quick introduction of how the EX-Z270 matches up vs the A7S with regard to portability, imaging, features and an overall score.

Below is a preview of the gallery photos for Casio Exilim EX-Z270 and Sony Alpha A7S. The whole galleries are available at Casio EX-Z270 Gallery and Sony A7S Gallery.

For anyone who is aiming to carry around your camera frequently, you have to think about its weight and dimensions. The Casio EX-Z270 features outside measurements of 97mm x 55mm x 22mm (3.8" x 2.2" x 0.9") and a weight of 111 grams (0.24 lbs) whilst the Sony A7S has dimensions of 127mm x 94mm x 48mm (5.0" x 3.7" x 1.9") accompanied by a weight of 489 grams (1.08 lbs).

Look at the Casio EX-Z270 versus Sony A7S in the new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached at the time. The following is a front view measurement comparison of the EX-Z270 versus the A7S.

Looking at dimensions and weight, the portability score of the EX-Z270 and A7S is 96 and 77 respectively.

Sometimes, it is hard to picture the contrast in sensor sizes just by researching a spec sheet. The image underneath may provide you a better sense of the sensor measurements in the EX-Z270 and A7S.

As you can see, both of these cameras feature different megapixels and different sensor sizes. The EX-Z270 using its smaller sensor is going to make getting shallower depth of field more challenging and the Sony A7S will result in more detail using its extra 2MP. Higher resolution will also allow you to crop photographs way more aggressively. The more aged EX-Z270 will be disadvantaged in sensor tech.