Olympus E-P1 vs Sony A65

Let's look more in depth at the Olympus E-P1 and Sony A65, one being a Entry-Level Mirrorless and the other is a Entry-Level DSLR by rivals Olympus and Sony. There is a sizeable difference among the resolutions of the E-P1 (12MP) and A65 (24MP) and the E-P1 (Four Thirds) and A65 (APS-C) boast different sensor size.

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The E-P1 was brought out 3 years earlier than the A65 and that is a fairly large gap as far as camera tech is concerned. The two cameras feature different body design with the Olympus E-P1 being a Rangefinder-style mirrorless camera and the Sony A65 being a Compact SLR camera.

Before going right into a step-by-step comparison, here is a simple overview of how the E-P1 grades versus the A65 when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Olympus PEN E-P1 and Sony SLT-A65. The entire galleries are viewable at Olympus E-P1 Gallery and Sony A65 Gallery.

If you are intending to carry your camera, you will need to factor in its weight and measurements. The Olympus E-P1 provides outer measurements of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") having a weight of 355 grams (0.78 lbs) while the Sony A65 has proportions of 132mm x 97mm x 81mm (5.2" x 3.8" x 3.2") accompanied by a weight of 622 grams (1.37 lbs).

Contrast the Olympus E-P1 and Sony A65 in the latest Camera with Lens Size Comparison Tool.

Always remember, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that moment. Underneath is a front view measurement comparison of the E-P1 vs the A65.

Taking into account size and weight, the portability grade of the E-P1 and A65 is 86 and 64 respectively.

In many cases, its tough to visualize the contrast in sensor sizing purely by viewing technical specs. The visual underneath should offer you a better sense of the sensor sizing in the E-P1 and A65.

As you have seen, each of the cameras come with different resolutions and different sensor sizing. The E-P1 because of its smaller sensor is going to make shooting shallower depth of field trickier and the Sony A65 will provide you with more detail having its extra 12 Megapixels. Greater resolution will allow you to crop photos a good deal more aggressively. The older E-P1 will be behind in sensor technology.