Pentax RZ10 vs Sony A77

Following is a comprehensive overview of the Pentax RZ10 versus Sony A77, former is a Small Sensor Compact while the latter is a Advanced DSLR by competitors Pentax and Sony. There exists a sizable gap among the sensor resolutions of the RZ10 (14MP) and A77 (24MP) and the RZ10 (1/2.3") and A77 (APS-C) posses different sensor size.

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The RZ10 was launched 3 months prior to the A77 which means that they are of a similar age. Both of these cameras feature different body design with the Pentax RZ10 being a Compact camera and the Sony A77 being a Mid-size SLR camera.

Before delving into a comprehensive comparison, here is a concise introduction of how the RZ10 scores against the A77 for portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Pentax Optio RZ10 & Sony SLT-A77. The complete galleries are viewable at Pentax RZ10 Gallery & Sony A77 Gallery.

In case you're planning to carry around your camera often, you have to take into account its weight and dimensions. The Pentax RZ10 has got external measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs) while the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Check out the Pentax RZ10 versus Sony A77 in our brand new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will differ depending on the lens you are working with at the time. Here is a front view scale comparison of the RZ10 and the A77.

Taking into account dimensions and weight, the portability grade of the RZ10 and A77 is 92 and 59 respectively.

More often than not, it is very tough to imagine the difference in sensor sizes merely by checking out technical specs. The pic below will help give you a much better sense of the sensor measurements in the RZ10 and A77.

As you have seen, both of the cameras feature different megapixels and different sensor sizes. The RZ10 due to its smaller sensor is going to make achieving shallower DOF more challenging and the Sony A77 will provide greater detail utilizing its extra 10MP. Higher resolution will also enable you to crop pictures way more aggressively.