Olympus E-M1 vs Pentax P70

In this article, we will be contrasting the Olympus E-M1 versus Pentax P70, one being a Pro Mirrorless and the latter is a Ultracompact by manufacturers Olympus and Pentax. There exists a big gap among the image resolutions of the E-M1 (16MP) and P70 (12MP) and the E-M1 (Four Thirds) and P70 (1/2.3") possess different sensor measurements.

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The E-M1 was announced 4 years later than the P70 and that is a fairly big gap as far as camera technology is concerned. Both of the cameras offer different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Pentax P70 being a Ultracompact camera.

Before diving through a full comparison, below is a simple highlight of how the E-M1 scores vs the P70 in the way of portability, imaging, features and an overall rating.

This is a preview of the gallery images for Olympus OM-D E-M1 and Pentax Optio P70. The whole galleries are viewable at Olympus E-M1 Gallery and Pentax P70 Gallery.

If you are looking to carry your camera often, you'll need to think about its weight and volume. The Olympus E-M1 provides outside measurements of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") with a weight of 497 grams (1.10 lbs) whilst the Pentax P70 has sizing of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") with a weight of 155 grams (0.34 lbs).

Take a look at the Olympus E-M1 versus Pentax P70 in the latest Camera and Lens Size Comparison Tool.

Take into consideration, the weight of an Interchangeable Lens Camera will differ depending on the lens you are working with at that moment. Below is the front view proportions comparison of the E-M1 against the P70.

Using dimensions and weight, the portability grade of the E-M1 and P70 is 71 and 95 respectively.

More often than not, it's difficult to imagine the contrast in sensor sizing only by looking through specs. The photograph here will help provide you a much better sense of the sensor measurements in the E-M1 and P70.

As you can plainly see, both the cameras enjoy different megapixel count and different sensor sizing. The E-M1 having a bigger sensor is going to make getting shallow depth of field simpler and the Olympus E-M1 will provide you with more detail with its extra 4MP. Higher resolution will also enable you to crop shots far more aggressively. The fresher E-M1 provides a benefit when it comes to sensor innovation.