Pentax K-S1 vs Pentax S1

Let's look closer at the Pentax K-S1 vs Pentax S1, one being a Advanced DSLR and the latter is a Small Sensor Compact and both of them are offered by Pentax. There exists a big gap among the resolutions of the K-S1 (20MP) and S1 (14MP) and the K-S1 (APS-C) and S1 (1/2.3") use totally different sensor measurements.

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The K-S1 was unveiled 3 years later than the S1 and that is a fairly big gap as far as camera technology is concerned. Both of these cameras offer different body type with the Pentax K-S1 being a Mid-size SLR camera and the Pentax S1 being a Compact camera.

Before we go straight into a full comparison, below is a simple introduction of how the K-S1 scores versus the S1 when it comes to portability, imaging, features and an overall rating.

Below is a preview of the gallery photos for Pentax K-S1 and Pentax Optio S1. The full galleries are available at Pentax K-S1 Gallery and Pentax S1 Gallery.

If you are intending to carry your camera, you need to take into account its weight and dimensions. The Pentax K-S1 has got outer measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") with a weight of 558 grams (1.23 lbs) whilst the Pentax S1 has dimensions of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") having a weight of 157 grams (0.35 lbs).

Examine the Pentax K-S1 vs Pentax S1 in the new Camera with Lens Size Comparison Tool.

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilizing at the time. Underneath is the front view sizing comparison of the K-S1 versus the S1.

Considering dimensions and weight, the portability score of the K-S1 and S1 is 69 and 93 respectively.

Sometimes, it's tough to see the contrast in sensor sizing just by going through technical specs. The graphic below should give you a clearer sense of the sensor measurements in the K-S1 and S1.

As you have seen, the 2 cameras enjoy different megapixels and different sensor sizing. The K-S1 using its bigger sensor will make shooting shallower depth of field easier and the Pentax K-S1 will provide more detail having an extra 6 Megapixels. Higher resolution can also make it easier to crop photographs far more aggressively. The more modern K-S1 is going to have an advantage with regard to sensor innovation.