Olympus E-M1 vs Sony A65

In this article, we are looking at the Olympus E-M1 versus Sony A65, one is a Pro Mirrorless and the other is a Entry-Level DSLR by companies Olympus and Sony. There is a crucial difference among the sensor resolutions of the E-M1 (16MP) and A65 (24MP) and the E-M1 (Four Thirds) and A65 (APS-C) possess different sensor size.

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The E-M1 was launched 24 months after the A65 making the cameras a generation away from each other. Both cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony A65 being a Compact SLR camera.

Before delving through a complete comparison, below is a concise overview of how the E-M1 matches up vs the A65 when considering portability, imaging, features and an overall mark.

Following is a sample of the gallery pictures for Olympus OM-D E-M1 and Sony SLT-A65. The complete galleries are available at Olympus E-M1 Gallery and Sony A65 Gallery.

If you're intending to travel with your camera often, you should consider its weight and dimensions. The Olympus E-M1 has physical measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") having a weight of 497 grams (1.10 lbs) and the Sony A65 has dimensions of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") with a weight of 622 grams (1.37 lbs).

Contrast the Olympus E-M1 versus Sony A65 in the all new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at the time. The following is the front view proportions comparison of the E-M1 against the A65.

Taking into account size and weight, the portability grade of the E-M1 and A65 is 71 and 64 respectively.

Often, its hard to visualize the contrast in sensor dimensions just by seeing a spec sheet. The image below will help provide you a better sense of the sensor measurements in the E-M1 and A65.

As you can see, both of the cameras enjoy different megapixels and different sensor dimensions. The E-M1 due to its smaller sensor is going to make shooting shallower depth of field tougher and the Sony A65 will provide more detail utilizing its extra 8 Megapixels. Greater resolution will help you crop images far more aggressively. The more recent E-M1 provides a benefit when it comes to sensor technology.