Olympus FE-45 vs Pentax K-S1

On this page, we are matching up the Olympus FE-45 versus Pentax K-S1, former is a Small Sensor Compact while the other is a Advanced DSLR by rivals Olympus and Pentax. There is a considerable difference between the sensor resolutions of the FE-45 (10MP) and K-S1 (20MP) and the FE-45 (1/2.3") and K-S1 (APS-C) boast different sensor dimensions.

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The FE-45 was launched 6 years earlier than the K-S1 which is quite a large difference as far as tech is concerned. Both of these cameras have different body design with the Olympus FE-45 being a Compact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go into a step-by-step comparison, here is a short view of how the FE-45 scores vs the K-S1 in the way of portability, imaging, features and an overall mark.

The following is a sample of the gallery pics for Olympus FE-45 & Pentax K-S1. The complete galleries are provided at Olympus FE-45 Gallery & Pentax K-S1 Gallery.

For those who are going to travel with your camera, you should take into account its weight and proportions. The Olympus FE-45 has outside measurements of 94mm x 62mm x 23mm (3.7" x 2.4" x 0.9") with a weight of 142 grams (0.31 lbs) whilst the Pentax K-S1 has measurements 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 FE-45 versus Pentax K-S1 in our completely new Camera & Lens Size Comparison Tool.

Keep in mind, the weight of an ILC will change depending on the lens you select at the time. Below is a front view measurements comparison of the FE-45 and the K-S1.

Taking into account size and weight, the portability grade of the FE-45 and K-S1 is 95 and 69 respectively.

Generally, it's hard to picture the difference between sensor dimensions purely by going over a spec sheet. The image here will provide you a better sense of the sensor sizing in the FE-45 and K-S1.

As you can see, both of the cameras provide different resolutions and different sensor dimensions. The FE-45 because of its tinier sensor is going to make getting shallow DOF harder and the Pentax K-S1 will deliver more detail utilizing its extra 10MP. Greater resolution will make it easier to crop images more aggressively. The more aged FE-45 is going to be behind when it comes to sensor technology.