Pentax K100D S vs Sony RX1

Here is a complete overview of the Pentax K100D S vs Sony RX1, one being a Entry-Level DSLR and the other is a Large Sensor Compact by rivals Pentax and Sony. There exists a significant gap among the resolutions of the K100D S (6MP) and RX1 (24MP) and the K100D S (APS-C) and RX1 (Full frame) use different sensor sizing.

Photography Glossary

The K100D S was introduced 6 years earlier than the RX1 and that is a fairly sizable gap as far as camera technology is concerned. Both of these cameras come with different body type with the Pentax K100D S being a Compact SLR camera and the Sony RX1 being a Large Sensor Compact camera.

Before getting in to a comprehensive comparison, below is a short overview of how the K100D S matches up versus the RX1 in terms of portability, imaging, features and an overall rating.

Below is a sample of the gallery pics for Pentax K100D Super and Sony Cyber-shot DSC-RX1. The whole galleries are viewable at Pentax K100D S Gallery and Sony RX1 Gallery.

For anyone who is going to carry your camera frequently, you'll need to think about its weight and measurements. The Pentax K100D S comes with exterior dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") with a weight of 646 grams (1.42 lbs) and the Sony RX1 has proportions of 113mm x 65mm x 70mm (4.4" x 2.6" x 2.8") with a weight of 482 grams (1.06 lbs).

Compare the Pentax K100D S vs Sony RX1 in the latest Camera with Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary dependant on the lens you are using at that time. The following is the front view measurements comparison of the K100D S and the RX1.

Factoring in dimensions and weight, the portability grade of the K100D S and RX1 is 65 and 79 respectively.

Sometimes, it is difficult to imagine the gap in sensor sizing purely by seeing a spec sheet. The visual underneath will help give you a stronger sense of the sensor dimensions in the K100D S and RX1.

Clearly, both of those cameras posses different megapixels and different sensor sizing. The K100D S having a smaller sensor is going to make shooting shallow DOF trickier and the Sony RX1 will show greater detail using its extra 18 Megapixels. Greater resolution will also help you crop pics somewhat more aggressively. The older K100D S will be behind with regard to sensor technology.