Olympus E-400 vs Olympus E-P1

Below, we will be comparing the Olympus E-400 versus Olympus E-P1, former being a Entry-Level DSLR while the latter is a Entry-Level Mirrorless and they are both designed by Olympus. The image resolution of the E-400 (10MP) and the E-P1 (12MP) is pretty similar and they come with the exact same sensor measurements (Four Thirds).

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The E-400 was announced 3 years prior to the E-P1 and that is quite a big difference as far as tech is concerned. Both of the cameras come with different body type with the Olympus E-400 being a Compact SLR camera and the Olympus E-P1 being a Rangefinder-style mirrorless camera.

Before getting through a detailed comparison, below is a quick view of how the E-400 grades against the E-P1 in regards to portability, imaging, features and an overall rating.

Below is a preview of the gallery images for Olympus E-400 & Olympus PEN E-P1. The whole galleries are available at Olympus E-400 Gallery & Olympus E-P1 Gallery.

If you are intending to carry your camera frequently, you'll have to consider its weight and measurements. The Olympus E-400 enjoys outside measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") along with a weight of 435 grams (0.96 lbs) and the Olympus E-P1 has proportions of 121mm x 70mm x 36mm (4.8" x 2.8" x 1.4") along with a weight of 355 grams (0.78 lbs).

Take a look at the Olympus E-400 versus Olympus E-P1 in our completely new Camera plus Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you have at that time. Here is the front view measurements comparison of the E-400 and the E-P1.

Looking at size and weight, the portability grade of the E-400 and E-P1 is 77 and 86 respectively.

Oftentimes, it's difficult to visualise the difference between sensor sizing merely by reviewing a spec sheet. The photograph here will help give you a greater sense of the sensor sizing in the E-400 and E-P1.

As you can see, the 2 cameras posses the exact same sensor measurements albeit not the same megapixels. You can expect the Olympus E-P1 to deliver greater detail with its extra 2 Megapixels. Higher resolution will also enable you to crop pictures somewhat more aggressively. The older E-400 is going to be behind in sensor innovation.