Olympus E-400 vs Pentax K-7

Lets examine more closely at the Olympus E-400 versus Pentax K-7, one being a Entry-Level DSLR and the latter is a Advanced DSLR by companies Olympus and Pentax. There is a huge difference between the sensor resolutions of the E-400 (10MP) and K-7 (15MP) and the E-400 (Four Thirds) and K-7 (APS-C) use different sensor dimensions.

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The E-400 was brought out 4 years prior to the K-7 and that is quite a significant gap as far as tech is concerned. Each of these cameras come with different body type with the Olympus E-400 being a Compact SLR camera and the Pentax K-7 being a Mid-size SLR camera.

Before delving through a full comparison, below is a quick view of how the E-400 grades versus the K-7 with regard to portability, imaging, features and an overall rating.

Here is a preview of the gallery photos for Olympus E-400 and Pentax K-7. The entire galleries are viewable at Olympus E-400 Gallery and Pentax K-7 Gallery.

In case you're planning to carry your camera, you are going to need to consider its weight and size. The Olympus E-400 enjoys exterior measurements of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") accompanied by a weight of 435 grams (0.96 lbs) and the Pentax K-7 has specifications of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs).

Check the Olympus E-400 versus Pentax K-7 in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you have attached at the time. Following is the front view proportions comparison of the E-400 compared to the K-7.

Taking into account size and weight, the portability score of the E-400 and K-7 is 77 and 60 respectively.

In many cases, its difficult to imagine the contrast between sensor sizing purely by checking a spec sheet. The photograph here may provide you a much better sense of the sensor sizing in the E-400 and K-7.

Clearly, the two cameras posses different megapixel count and different sensor sizing. The E-400 featuring a tinier sensor is going to make getting shallow depth of field harder and the Pentax K-7 will give you extra detail having its extra 5MP. Higher resolution will allow you to crop photographs somewhat more aggressively. The older E-400 is going to be behind when it comes to sensor tech.