Olympus E-PL1 vs Sony A77

Here, we will be looking at the Olympus E-PL1 vs Sony A77, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by manufacturers Olympus and Sony. There is a noticeable difference between the sensor resolutions of the E-PL1 (12MP) and A77 (24MP) and the E-PL1 (Four Thirds) and A77 (APS-C) have totally different sensor dimensions.

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The E-PL1 was brought out 17 months prior to the A77 which makes them a generation apart from each other. Each of the cameras feature different body design with the Olympus E-PL1 being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before getting right into a step-by-step comparison, here is a short overview of how the E-PL1 grades against the A77 when considering portability, imaging, features and an overall grade.

Following is a preview of the gallery images for Olympus PEN E-PL1 & Sony SLT-A77. The entire galleries are viewable at Olympus E-PL1 Gallery & Sony A77 Gallery.

When you are planning to lug around your camera regularly, you will have to consider its weight and dimensions. The Olympus E-PL1 offers exterior dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") along with a weight of 334 grams (0.74 lbs) while the Sony A77 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 732 grams (1.61 lbs).

Analyze the Olympus E-PL1 vs Sony A77 in our completely new Camera plus Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you select at that moment. The following is a front view overall size comparison of the E-PL1 versus the A77.

Taking into consideration size and weight, the portability rating of the E-PL1 and A77 is 86 and 59 respectively.

Usually, it can be tough to see the contrast between sensor measurements merely by reading a spec sheet. The photograph below will help provide you a much better sense of the sensor dimensions in the E-PL1 and A77.

Clearly, each of the cameras come with different megapixels and different sensor measurements. The E-PL1 because of its tinier sensor will make shooting shallower depth of field more difficult and the Sony A77 will offer more detail having its extra 12MP. Higher resolution will also make it easier to crop photographs a good deal more aggressively. The older E-PL1 is going to be behind when it comes to sensor technology.