Pentax K-S1 vs Pentax RS1500

The following is a thorough overview of the Pentax K-S1 versus Pentax RS1500, one is a Advanced DSLR and the latter is a Small Sensor Compact and they are both created by Pentax. There is a huge difference between the resolutions of the K-S1 (20MP) and RS1500 (14MP) and the K-S1 (APS-C) and RS1500 (1/2.3") provide totally different sensor sizing.

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The K-S1 was launched 3 years after the RS1500 which is quite a significant gap as far as tech is concerned. Both cameras have different body design with the Pentax K-S1 being a Mid-size SLR camera and the Pentax RS1500 being a Compact camera.

Before getting right into a step-by-step comparison, here is a simple synopsis of how the K-S1 scores versus the RS1500 in the way of portability, imaging, features and an overall mark.

Here is a preview of the gallery images for Pentax K-S1 and Pentax Optio RS1500. The complete galleries are viewable at Pentax K-S1 Gallery and Pentax RS1500 Gallery.

For anyone who is planning to travel with your camera regularly, you will want to consider its weight and proportions. The Pentax K-S1 has got external measurements of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") and a weight of 558 grams (1.23 lbs) and the Pentax RS1500 has measurements of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") and a weight of 157 grams (0.35 lbs).

See the Pentax K-S1 versus Pentax RS1500 in the new Camera and Lens Size Comparison Tool.

Keep in mind, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached at the time. Following is a front view dimension comparison of the K-S1 against the RS1500.

Factoring in size and weight, the portability score of the K-S1 and RS1500 is 69 and 93 respectively.

Usually, it is difficult to envision the contrast between sensor dimensions only by checking specs. The image here might give you a greater sense of the sensor measurements in the K-S1 and RS1500.

As you can plainly see, both the cameras provide different megapixel count and different sensor dimensions. The K-S1 featuring a bigger sensor will make shooting shallow depth of field easier and the Pentax K-S1 will give greater detail utilizing its extra 6 Megapixels. Higher resolution will also let you crop pictures more aggressively. The younger K-S1 is going to have a benefit when it comes to sensor innovation.