Olympus E-330 vs Pentax Q-S1

Its time to look a bit more closely at the Olympus E-330 vs Pentax Q-S1, one is a Advanced DSLR and the latter is a Entry-Level Mirrorless by brands Olympus and Pentax. There exists a big gap between the sensor resolutions of the E-330 (7MP) and Q-S1 (12MP) and the E-330 (Four Thirds) and Q-S1 (1/1.7") offer different sensor sizing.

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The E-330 was revealed 9 years before the Q-S1 which is quite a big gap as far as technology is concerned. Both the cameras feature different body design with the Olympus E-330 being a Mid-size SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before diving right into a thorough comparison, here is a short view of how the E-330 matches up versus the Q-S1 in terms of portability, imaging, features and an overall score.

Following is a preview of the gallery photos for Olympus E-330 and Pentax Q-S1. The full galleries are available at Olympus E-330 Gallery and Pentax Q-S1 Gallery.

When you are planning to carry around your camera regularly, you're going to have to consider its weight and proportions. The Olympus E-330 has external measurements of 140mm x 87mm x 72mm (5.5" x 3.4" x 2.8") having a weight of 616 grams (1.36 lbs) whilst the Pentax Q-S1 has measurements of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") and a weight of 203 grams (0.45 lbs).

Examine the Olympus E-330 vs Pentax Q-S1 in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that time. Below is a front view size comparison of the E-330 versus the Q-S1.

Using dimensions and weight, the portability grade of the E-330 and Q-S1 is 65 and 92 respectively.

Normally, its hard to picture the difference between sensor sizes only by looking at specifications. The picture here may give you a much better sense of the sensor sizing in the E-330 and Q-S1.

Plainly, both cameras come with different resolutions and different sensor sizes. The E-330 having a bigger sensor is going to make achieving shallow depth of field less difficult and the Pentax Q-S1 will give you more detail because of its extra 5MP. Higher resolution can also allow you to crop pictures a good deal more aggressively. The more aged E-330 is going to be disadvantaged with regard to sensor innovation.