Olympus E-PL1s vs Pentax K100D

On this page, we are analyzing the Olympus E-PL1s versus Pentax K100D, one is a Entry-Level Mirrorless and the other is a Entry-Level DSLR by brands Olympus and Pentax. There is a huge difference among the image resolutions of the E-PL1s (12MP) and K100D (6MP) and the E-PL1s (Four Thirds) and K100D (APS-C) have different sensor dimensions.

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The E-PL1s was launched 4 years after the K100D which is a fairly significant gap as far as camera tech is concerned. Each of the cameras have different body design with the Olympus E-PL1s being a Rangefinder-style mirrorless camera and the Pentax K100D being a Compact SLR camera.

Before getting into a complete comparison, here is a concise highlight of how the E-PL1s grades versus the K100D with regard to portability, imaging, features and an overall score.

The following is a sample of the gallery pictures for Olympus PEN E-PL1s and Pentax K100D. The complete galleries are provided at Olympus E-PL1s Gallery and Pentax K100D Gallery.

If you're aiming to carry around your camera regularly, you have to consider its weight and proportions. The Olympus E-PL1s features outer dimensions of 115mm x 72mm x 42mm (4.5" x 2.8" x 1.7") along with a weight of 334 grams (0.74 lbs) and the Pentax K100D has measurements of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).

Examine the Olympus E-PL1s versus Pentax K100D in the all new Camera with Lens Size Comparison Tool.

Remember, the weight of an Interchangeable Lens Camera will vary based on the lens you choose at that moment. The following is a front view sizing comparison of the E-PL1s versus the K100D.

Taking into account size and weight, the portability grade of the E-PL1s and K100D is 86 and 64 respectively.

Oftentimes, it is tough to visualize the gap in sensor sizes just by going through specifications. The image here might provide you a far better sense of the sensor sizes in the E-PL1s and K100D.

Plainly, each of these cameras provide different megapixels and different sensor sizes. The E-PL1s because of its smaller sensor is going to make shooting shallower depth of field trickier and the Olympus E-PL1s will show extra detail utilizing its extra 6 Megapixels. Greater resolution can also help you crop images more aggressively. The younger E-PL1s should have an edge with regard to sensor tech.