Olympus E-620 vs Sony A7c

Here is a in-depth review of the Olympus E-620 versus Sony A7c, one being a Entry-Level DSLR and the latter is a Advanced Mirrorless by manufacturers Olympus and Sony. There exists a significant gap among the resolutions of the E-620 (12MP) and A7c (24MP) and the E-620 (Four Thirds) and A7c (Full frame) provide totally different sensor measurements.

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The E-620 was revealed 12 years prior to the A7c and that is a fairly sizable gap as far as camera technology is concerned. Both of the cameras feature different body design with the Olympus E-620 being a Compact SLR camera and the Sony A7c being a Rangefinder-style mirrorless camera.

Before going into a complete comparison, here is a quick view of how the E-620 grades vs the A7c in regards to portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus E-620 and Sony Alpha A7c. The full galleries are viewable at Olympus E-620 Gallery and Sony A7c Gallery.

In case you're aiming to carry your camera regularly, you'll have to factor in its weight and dimensions. The Olympus E-620 enjoys external measurements of 130mm x 94mm x 60mm (5.1" x 3.7" x 2.4") accompanied by a weight of 500 grams (1.10 lbs) while the Sony A7c has dimensions of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") along with a weight of 509 grams (1.12 lbs).

Take a look at the Olympus E-620 versus Sony A7c in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that time. Following is a front view physical size comparison of the E-620 and the A7c.

Factoring in dimensions and weight, the portability rating of the E-620 and A7c is 71 and 78 respectively.

Sometimes, it is very difficult to see the gap in sensor sizing purely by seeing a spec sheet. The graphic below will help provide you a stronger sense of the sensor sizing in the E-620 and A7c.

As you can see, each of these cameras come with different megapixels and different sensor sizing. The E-620 using its smaller sensor will make getting shallow depth of field harder and the Sony A7c will provide extra detail because of its extra 12MP. Higher resolution can also make it easier to crop shots a good deal more aggressively. The older E-620 will be behind when it comes to sensor innovation.