Pentax K100D vs Pentax RS1500

On this page, we are comparing the Pentax K100D vs Pentax RS1500, former being a Entry-Level DSLR while the other is a Small Sensor Compact and both of them are sold by Pentax. There exists a sizable gap among the resolutions of the K100D (6MP) and RS1500 (14MP) and the K100D (APS-C) and RS1500 (1/2.3") provide different sensor measurements.

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The K100D was manufactured 5 years prior to the RS1500 and that is a fairly significant difference as far as camera technology is concerned. Both of these cameras have different body design with the Pentax K100D being a Compact SLR camera and the Pentax RS1500 being a Compact camera.

Before going straight to a complete comparison, here is a short overview of how the K100D matches up versus the RS1500 in the way of portability, imaging, features and an overall rating.

Below is a sample of the gallery pictures for Pentax K100D & Pentax Optio RS1500. The entire galleries are viewable at Pentax K100D Gallery & Pentax RS1500 Gallery.

For those who are looking to carry your camera regularly, you are going to need to factor its weight and volume. The Pentax K100D has got external dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs) whilst the Pentax RS1500 has sizing of 114mm x 58mm x 28mm (4.5" x 2.3" x 1.1") along with a weight of 157 grams (0.35 lbs).

Analyze the Pentax K100D vs Pentax RS1500 in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change based on the lens you are using at the time. Following is a front view measurements comparison of the K100D versus the RS1500.

Looking at dimensions and weight, the portability score of the K100D and RS1500 is 64 and 93 respectively.

More often than not, its difficult to picture the gap in sensor sizing only by going through a spec sheet. The photograph underneath should provide you a greater sense of the sensor dimensions in the K100D and RS1500.

Clearly, both cameras have different megapixel count and different sensor sizing. The K100D due to its larger sensor is going to make getting bokeh simpler and the Pentax RS1500 will produce greater detail due to its extra 8 Megapixels. Greater resolution will make it easier to crop pics a bit more aggressively. The older K100D will be disadvantaged in sensor tech.