Olympus E-PL3 vs Sony A77

Below is a in depth analysis of the Olympus E-PL3 versus Sony A77, one being a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Olympus and Sony. There exists a crucial gap between the image resolutions of the E-PL3 (12MP) and A77 (24MP) and the E-PL3 (Four Thirds) and A77 (APS-C) offer totally different sensor measurements.

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The E-PL3 was launched within a month of the A77 which means that they are both of a similar generation. The two cameras have different body design with the Olympus E-PL3 being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before delving right into a complete comparison, here is a simple summary of how the E-PL3 scores vs the A77 with respect to portability, imaging, features and an overall grade.

Here is a sample of the gallery pictures for Olympus PEN E-PL3 and Sony SLT-A77. The complete galleries are viewable at Olympus E-PL3 Gallery and Sony A77 Gallery.

For anybody who is intending to lug around your camera frequently, you will have to think about its weight and size. The Olympus E-PL3 offers external measurements of 110mm x 64mm x 37mm (4.3" x 2.5" x 1.5") with a weight of 313 grams (0.69 lbs) whilst the Sony A77 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 732 grams (1.61 lbs).

Compare the Olympus E-PL3 versus Sony A77 in the latest Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that time. Here is a front view physical size comparison of the E-PL3 compared to the A77.

Factoring in dimensions and weight, the portability rating of the E-PL3 and A77 is 88 and 59 respectively.

Quite often, it is hard to envision the difference between sensor measurements only by reading through specs. The visual underneath will help offer you a far better sense of the sensor measurements in the E-PL3 and A77.

All in all, both of these cameras provide different megapixels and different sensor measurements. The E-PL3 because of its tinier sensor will make achieving bokeh more difficult and the Sony A77 will resolve greater detail utilizing its extra 12 Megapixels. Greater resolution will enable you to crop photos more aggressively.