Olympus E-1 vs Pentax K-70

Following is a extended analysis of the Olympus E-1 versus Pentax K-70, one is a Pro DSLR and the latter is a Entry-Level DSLR by companies Olympus and Pentax. There is a huge difference among the image resolutions of the E-1 (5MP) and K-70 (24MP) and the E-1 (Four Thirds) and K-70 (APS-C) have totally different sensor dimensions.

Photography Glossary

The E-1 was revealed 13 years prior to the K-70 which is a fairly significant gap as far as camera tech is concerned. Each of the cameras feature different body design with the Olympus E-1 being a Large SLR camera and the Pentax K-70 being a Compact SLR camera.

Before diving right into a full comparison, here is a short view of how the E-1 scores vs the K-70 for portability, imaging, features and an overall score.

Here is a preview of the gallery images for Olympus E-1 and Pentax K-70. The full galleries are available at Olympus E-1 Gallery and Pentax K-70 Gallery.

For those who are aiming to carry around your camera regularly, you'll need to consider its weight and proportions. The Olympus E-1 offers outer measurements of 141mm x 104mm x 81mm (5.6" x 4.1" x 3.2") having a weight of 735 grams (1.62 lbs) and the Pentax K-70 has measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") along with a weight of 688 grams (1.52 lbs).

Compare the Olympus E-1 versus Pentax K-70 in the all new Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you use at the time. Below is a front view scale comparison of the E-1 versus the K-70.

Using size and weight, the portability rating of the E-1 and K-70 is 59 and 62 respectively.

In many cases, it's hard to envision the contrast in sensor sizes just by checking out specs. The pic here should offer you a better sense of the sensor sizing in the E-1 and K-70.

All in all, both of those cameras feature different megapixels and different sensor sizes. The E-1 with its smaller sensor will make getting shallow DOF tougher and the Pentax K-70 will produce more detail because of its extra 19 Megapixels. Higher resolution will also allow you to crop shots way more aggressively. The more aged E-1 will be behind when it comes to sensor tech.