Olympus E-PL1s vs Sony A77

Here, we are contrasting the Olympus E-PL1s versus Sony A77, one is a Entry-Level Mirrorless and the other is a Advanced DSLR by companies Olympus and Sony. There exists a sizeable gap between the resolutions of the E-PL1s (12MP) and A77 (24MP) and the E-PL1s (Four Thirds) and A77 (APS-C) provide totally different sensor dimensions.

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The E-PL1s was announced 11 months prior to the A77 so they are of a similar generation. Each of the cameras feature different body design with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Sony A77 being a Mid-size SLR camera.

Before delving right into a thorough comparison, here is a quick highlight of how the E-PL1s matches up vs the A77 in relation to portability, imaging, features and an overall mark.

Here is a sample of the gallery pictures for Olympus PEN E-PL1s and Sony SLT-A77. The whole galleries are available at Olympus E-PL1s Gallery and Sony A77 Gallery.

If you are going to travel with your camera regularly, you'll need to consider its weight and proportions. The Olympus E-PL1s comes with outside dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") and a weight of 334 grams (0.74 lbs) whilst the Sony A77 has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 732 grams (1.61 lbs).

Contrast the Olympus E-PL1s versus Sony A77 in the latest Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change dependant on the lens you choose at that time. Below is a front view dimensions comparison of the E-PL1s against the A77.

Considering dimensions and weight, the portability rating of the E-PL1s and A77 is 86 and 59 respectively.

Sometimes, it is tough to envision the difference between sensor dimensions merely by reading specs. The picture here will help offer you a much better sense of the sensor dimensions in the E-PL1s and A77.

All in all, both of the cameras feature different resolutions and different sensor dimensions. The E-PL1s having a tinier sensor will make achieving shallower DOF more challenging and the Sony A77 will deliver extra detail with its extra 12 Megapixels. Greater resolution will also enable you to crop pics way more aggressively. The more aged E-PL1s is going to be behind when it comes to sensor innovation.