Olympus 7040 vs Pentax K-S1

Below is a in depth analysis of the Olympus 7040 vs Pentax K-S1, former being a Small Sensor Compact while the latter is a Advanced DSLR by brands Olympus and Pentax. There is a considerable difference between the image resolutions of the 7040 (14MP) and K-S1 (20MP) and the 7040 (1/2.3") and K-S1 (APS-C) possess totally different sensor sizing.

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The 7040 was unveiled 5 years before the K-S1 and that is quite a large difference as far as tech is concerned. Both of the cameras come with different body type with the Olympus 7040 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before getting in to a thorough comparison, below is a concise overview of how the 7040 matches up against the K-S1 with regards to portability, imaging, features and an overall grade.

Following is a preview of the gallery photos for Olympus Stylus 7040 & Pentax K-S1. The full galleries are viewable at Olympus 7040 Gallery & Pentax K-S1 Gallery.

For anyone who is intending to lug around your camera regularly, you will need to consider its weight and measurements. The Olympus 7040 offers physical dimensions of 95mm x 56mm x 26mm (3.7" x 2.2" x 1.0") with a weight of 144 grams (0.32 lbs) while the Pentax K-S1 has proportions of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") accompanied by a weight of 558 grams (1.23 lbs).

Check out the Olympus 7040 vs Pentax K-S1 in our completely new Camera plus Lens Size Comparison Tool.

Remember, the weight of an ILC will change depending on the lens you are using during that time. Following is the front view measurement comparison of the 7040 vs the K-S1.

Taking into account size and weight, the portability grade of the 7040 and K-S1 is 95 and 69 respectively.

In many cases, it is very difficult to see the gap between sensor measurements just by reading through specs. The photograph below will help provide you a much better sense of the sensor dimensions in the 7040 and K-S1.

As you can plainly see, both the cameras have got different megapixels and different sensor measurements. The 7040 using its tinier sensor will make achieving shallower DOF more challenging and the Pentax K-S1 will give you more detail having an extra 6MP. Higher resolution will also make it easier to crop pictures much more aggressively. The older 7040 is going to be disadvantaged when it comes to sensor technology.