Olympus E-PM1 vs Sony A7c

Let's look more closely at the Olympus E-PM1 and Sony A7c, one is a Entry-Level Mirrorless and the latter is a Advanced Mirrorless by companies Olympus and Sony. There is a sizeable difference between the sensor resolutions of the E-PM1 (12MP) and A7c (24MP) and the E-PM1 (Four Thirds) and A7c (Full frame) provide different sensor size.

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The E-PM1 was manufactured 9 years prior to the A7c which is quite a large gap as far as tech is concerned. Both of the cameras feature the same body design (Rangefinder-style mirrorless).

Before getting straight to a detailed comparison, here is a short overview of how the E-PM1 grades vs the A7c when considering portability, imaging, features and an overall mark.

This is a preview of the gallery images for Olympus PEN E-PM1 and Sony Alpha A7c. The entire galleries are provided at Olympus E-PM1 Gallery and Sony A7c Gallery.

If you are planning to travel with your camera frequently, you will need to think about its weight and measurements. The Olympus E-PM1 has got outside measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") having a weight of 265 grams (0.58 lbs) whilst the Sony A7c has proportions 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-PM1 and Sony A7c in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you choose at that moment. Following is a front view dimensions comparison of the E-PM1 and the A7c.

Taking into consideration size and weight, the portability rating of the E-PM1 and A7c is 89 and 78 respectively.

Oftentimes, it's hard to picture the gap between sensor dimensions just by checking a spec sheet. The image here will help offer you a greater sense of the sensor sizing in the E-PM1 and A7c.

As you can see, the 2 cameras feature different megapixels and different sensor dimensions. The E-PM1 featuring a tinier sensor is going to make getting shallower DOF more difficult and the Sony A7c will give you more detail due to its extra 12MP. Higher resolution can also make it easier to crop photographs way more aggressively. The more aged E-PM1 is going to be disadvantaged when it comes to sensor technology.