Olympus E-410 vs Pentax K-S1

Below, we are evaluating the Olympus E-410 vs Pentax K-S1, one is a Entry-Level DSLR and the other is a Advanced DSLR by brands Olympus and Pentax. There is a sizeable difference among the image resolutions of the E-410 (10MP) and K-S1 (20MP) and the E-410 (Four Thirds) and K-S1 (APS-C) feature different sensor dimensions.

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The E-410 was revealed 8 years before the K-S1 which is a fairly large gap as far as camera tech is concerned. Each of the cameras come with different body type with the Olympus E-410 being a Compact SLR camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go through a comprehensive comparison, below is a simple summary of how the E-410 scores vs the K-S1 when it comes to portability, imaging, features and an overall score.

Following is a sample of the gallery pics for Olympus E-410 and Pentax K-S1. The full galleries are viewable at Olympus E-410 Gallery and Pentax K-S1 Gallery.

If you are aiming to carry around your camera frequently, you'll have to take into account its weight and volume. The Olympus E-410 enjoys exterior dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") accompanied by a weight of 435 grams (0.96 lbs) whilst the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Analyze the Olympus E-410 vs Pentax K-S1 in the new Camera and Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at the time. Below is the front view overall size comparison of the E-410 vs the K-S1.

Taking into account size and weight, the portability rating of the E-410 and K-S1 is 77 and 69 respectively.

In many cases, its hard to imagine the difference in sensor sizes merely by looking through technical specs. The image here may give you a far better sense of the sensor sizes in the E-410 and K-S1.

As you can tell, the two cameras posses different resolutions and different sensor sizes. The E-410 having a smaller sensor is going to make getting shallower DOF more difficult and the Pentax K-S1 will result in more detail because of its extra 10 Megapixels. Greater resolution will let you crop images somewhat more aggressively. The more aged E-410 will be behind with regard to sensor tech.