Olympus E-420 vs Pentax K-3

Below is a complete assessment of the Olympus E-420 versus Pentax K-3, former being a Entry-Level DSLR while the other is a Advanced DSLR by rivals Olympus and Pentax. There is a sizable difference among the image resolutions of the E-420 (10MP) and K-3 (24MP) and the E-420 (Four Thirds) and K-3 (APS-C) come with different sensor dimensions.

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The E-420 was launched 6 years prior to the K-3 and that is a fairly significant difference as far as camera tech is concerned. Both of these cameras come with different body type with the Olympus E-420 being a Compact SLR camera and the Pentax K-3 being a Mid-size SLR camera.

Before delving in to a in-depth comparison, below is a quick overview of how the E-420 scores versus the K-3 in terms of portability, imaging, features and an overall grade.

Here is a sample of the gallery pics for Olympus E-420 & Pentax K-3. The complete galleries are provided at Olympus E-420 Gallery & Pentax K-3 Gallery.

In case you're intending to lug around your camera often, you'll need to think about its weight and volume. The Olympus E-420 features outer dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) and the Pentax K-3 has sizing of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs).

See the Olympus E-420 versus Pentax K-3 in our completely new Camera plus Lens Size Comparison Tool.

Take into consideration, the weight of an ILC will vary depending on the lens you are utilising during that time. Below is the front view measurements comparison of the E-420 vs the K-3.

Factoring in size and weight, the portability rating of the E-420 and K-3 is 77 and 59 respectively.

In many cases, it's tough to visualize the gap in sensor measurements just by viewing technical specs. The photograph here will offer you a greater sense of the sensor dimensions in the E-420 and K-3.

As you can tell, both the cameras posses different megapixel count and different sensor measurements. The E-420 due to its smaller sensor is going to make shooting shallow depth of field harder and the Pentax K-3 will provide you with extra detail utilizing its extra 14MP. Greater resolution can also help you crop images somewhat more aggressively. The older E-420 will be behind when it comes to sensor technology.