Olympus E-M10 IV vs Pentax K-7

Here is a in depth assessment of the Olympus E-M10 IV versus Pentax K-7, former being a Entry-Level Mirrorless while the latter is a Advanced DSLR by companies Olympus and Pentax. There is a noticeable difference among the image resolutions of the E-M10 IV (20MP) and K-7 (15MP) and the E-M10 IV (Four Thirds) and K-7 (APS-C) offer totally different sensor dimensions.

Photography Glossary

The E-M10 IV was brought out 10 years later than the K-7 and that is a fairly sizable difference as far as camera tech is concerned. Both the cameras feature different body design with the Olympus E-M10 IV being a SLR-style mirrorless camera and the Pentax K-7 being a Mid-size SLR camera.

Before getting straight to a comprehensive comparison, here is a quick synopsis of how the E-M10 IV matches up versus the K-7 with regard to portability, imaging, features and an overall rating.

This is a preview of the gallery photos for Olympus OM-D E-M10 IV & Pentax K-7. The entire galleries are provided at Olympus E-M10 IV Gallery & Pentax K-7 Gallery.

If you're going to carry your camera, you will have to think about its weight and measurements. The Olympus E-M10 IV has exterior measurements of 122mm x 84mm x 49mm (4.8" x 3.3" x 1.9") along with a weight of 383 grams (0.84 lbs) while the Pentax K-7 has proportions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 750 grams (1.65 lbs).

Contrast the Olympus E-M10 IV versus Pentax K-7 in our brand new Camera & Lens Size Comparison Tool.

Always remember, the weight of an ILC will differ depending on the lens you are utilizing at that moment. Below is a front view scale comparison of the E-M10 IV against the K-7.

Using size and weight, the portability score of the E-M10 IV and K-7 is 81 and 60 respectively.

Oftentimes, its tough to envision the gap in sensor sizing just by checking out a spec sheet. The visual below will help offer you a stronger sense of the sensor sizing in the E-M10 IV and K-7.

As you can see, both the cameras come with different megapixel count and different sensor sizing. The E-M10 IV due to its smaller sensor will make shooting shallower DOF more challenging and the Olympus E-M10 IV will show more detail having its extra 5MP. Higher resolution will also make it easier to crop shots a good deal more aggressively. The more modern E-M10 IV will have an edge in sensor technology.