Olympus E-M5 vs Pentax K-7

The following is a in depth analysis of the Olympus E-M5 and Pentax K-7, former is a Advanced Mirrorless while the latter is a Advanced DSLR by competitors Olympus and Pentax. The sensor resolution of the E-M5 (16MP) and the K-7 (15MP) is pretty well matched but the E-M5 (Four Thirds) and K-7 (APS-C) come with totally different sensor dimensions.

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The E-M5 was introduced 2 years after the K-7 which is quite a significant difference as far as tech is concerned. Both of the cameras offer different body type with the Olympus E-M5 being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before we go in to a detailed comparison, below is a concise introduction of how the E-M5 scores against the K-7 in relation to portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus OM-D E-M5 & Pentax K-7. The whole galleries are available at Olympus E-M5 Gallery & Pentax K-7 Gallery.

For anyone who is intending to travel with your camera often, you have to take into account its weight and dimensions. The Olympus E-M5 has external dimensions of 122mm x 89mm x 43mm (4.8" x 3.5" x 1.7") having a weight of 425 grams (0.94 lbs) while the Pentax K-7 has dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs).

Analyze the Olympus E-M5 and Pentax K-7 in our completely new Camera & Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will change dependant on the lens you have chosen at that time. The following is the front view over all size comparison of the E-M5 versus the K-7.

Factoring in size and weight, the portability grade of the E-M5 and K-7 is 81 and 60 respectively.

Usually, its tough to visualise the gap between sensor dimensions simply by checking specifications. The pic below will help give you a greater sense of the sensor dimensions in the E-M5 and K-7.

Plainly, both of those cameras enjoy different resolutions and different sensor dimensions. The E-M5 using its tinier sensor will make achieving shallower depth of field trickier and the Olympus E-M5 will resolve greater detail using its extra 1MP. Higher resolution will also help you crop pictures far more aggressively. The fresher E-M5 will have an advantage with regard to sensor technology.