Olympus E-420 vs Pentax K-5

Here is a thorough comparison of the Olympus E-420 vs Pentax K-5, one being a Entry-Level DSLR and the latter is a Advanced DSLR by companies Olympus and Pentax. There is a significant difference among the sensor resolutions of the E-420 (10MP) and K-5 (16MP) and the E-420 (Four Thirds) and K-5 (APS-C) have totally different sensor sizes.

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The E-420 was manufactured 3 years earlier than the K-5 and that is a fairly sizable gap as far as camera tech is concerned. Each of these cameras feature different body design with the Olympus E-420 being a Compact SLR camera and the Pentax K-5 being a Mid-size SLR camera.

Before going into a full comparison, here is a brief summary of how the E-420 matches up versus the K-5 in relation to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus E-420 and Pentax K-5. The entire galleries are provided at Olympus E-420 Gallery and Pentax K-5 Gallery.

In case you're going to carry your camera, you are going to need to think about its weight and volume. The Olympus E-420 has outer measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) while the Pentax K-5 has sizing of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 740 grams (1.63 lbs).

See the Olympus E-420 vs Pentax K-5 in the new Camera with Lens Size Comparison Tool.

Do not forget, the weight of an Interchangeable Lens Camera will vary dependant on the lens you choose during that time. Underneath is a front view over all size comparison of the E-420 vs the K-5.

Factoring in size and weight, the portability score of the E-420 and K-5 is 77 and 60 respectively.

In many cases, it is very tough to see the contrast in sensor sizing just by looking through technical specs. The photograph below should give you a stronger sense of the sensor measurements in the E-420 and K-5.

As you can tell, both of these cameras feature different megapixels and different sensor sizing. The E-420 because of its smaller sensor will make achieving shallower depth of field trickier and the Pentax K-5 will provide you with more detail due to its extra 6MP. Higher resolution will also allow you to crop shots way more aggressively. The older E-420 will be behind when it comes to sensor innovation.