Olympus E-400 vs Pentax K-3 II

Its time to take a closer look at the Olympus E-400 versus Pentax K-3 II, one is a Entry-Level DSLR and the latter is a Advanced DSLR by competitors Olympus and Pentax. There is a big difference between the resolutions of the E-400 (10MP) and K-3 II (24MP) and the E-400 (Four Thirds) and K-3 II (APS-C) have totally different sensor size.

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The E-400 was revealed 9 years prior to the K-3 II which is quite a big gap as far as tech is concerned. Both the cameras feature different body design with the Olympus E-400 being a Compact SLR camera and the Pentax K-3 II being a Mid-size SLR camera.

Before diving straight to a step-by-step comparison, here is a quick introduction of how the E-400 grades vs the K-3 II when it comes to portability, imaging, features and an overall mark.

Following is a preview of the gallery photos for Olympus E-400 and Pentax K-3 II. The full galleries are provided at Olympus E-400 Gallery and Pentax K-3 II Gallery.

For those who are aiming to travel with your camera frequently, you'll have to factor its weight and dimensions. The Olympus E-400 has got exterior dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") having a weight of 435 grams (0.96 lbs) while the Pentax K-3 II has dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") having a weight of 800 grams (1.76 lbs).

Compare the Olympus E-400 versus Pentax K-3 II in the new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that moment. Below is a front view dimensions comparison of the E-400 against the K-3 II.

Considering size and weight, the portability grade of the E-400 and K-3 II is 77 and 59 respectively.

Often, it can be tough to visualise the contrast between sensor dimensions only by looking at technical specs. The picture below may provide you a stronger sense of the sensor dimensions in the E-400 and K-3 II.

As you have seen, both of those cameras come with different megapixel count and different sensor dimensions. The E-400 with its tinier sensor will make getting shallow depth of field more challenging and the Pentax K-3 II will resolve greater detail because of its extra 14 Megapixels. Higher resolution will let you crop shots a good deal more aggressively. The more aged E-400 is going to be behind with regard to sensor innovation.